The distribution in which Mean = Variance

Last Answer : answer:Are you looking for real world examples? Assuming so You would probably like your income from work to be as high as possible, and would like to keep the value above a certain level where you ... does, since it's a much simpler set of rules if you can identify the likelihood of winning.

Do women have wider variance in the people they find attractive then men do?

Description : Do women have wider variance in the people they find attractive then men do?

Last Answer : I’ve been attracted to, or at least found attractive just about every size and shape.

Why are your nose and chin always at variance? -Riddles

Description : Why are your nose and chin always at variance? -Riddles

Last Answer : Because words are passing between them.

Fill in the blank with appropriate numpy method to calculate and print the variance of an array. -Technology

Description : Fill in the blank with appropriate numpy method to calculate and print the variance of an array. -Technology

Last Answer : print(np.var(data,ddof=0))

If a sample of 132 customers were taken from a population of 2340 customers s2 could refer to the variance of how many of the customers' ages?

Description : If a sample of 132 customers were taken from a population of 2340 customers s2 could refer to the variance of how many of the customers' ages?

Last Answer : Feel Free to Answer

One method of troubleshooting digital circuits in a console is to ___________. A. supply alternate logic levels at the input(s) and test for change of state conditions at the output B. ground all inputs and test for a logic '1' at the output C. open all inputs and test for a logic '0' at the output D. vary each input smoothly from 0-10 volts and test for similar variance at the output

Description : One method of troubleshooting digital circuits in a console is to ___________. A. supply alternate logic levels at the input(s) and test for change of state conditions at the output B. ground all ... output D. vary each input smoothly from 0-10 volts and test for similar variance at the output

Last Answer : Answer: A

The basic operating principle of a transformer is attributed to ______________. A. electromagnetic induction B. variance of a conductor in a magnetic field C. mutual reaction D. thermionic emission

Description : The basic operating principle of a transformer is attributed to ______________. A. electromagnetic induction B. variance of a conductor in a magnetic field C. mutual reaction D. thermionic emission

Last Answer : Answer: A

Which one of the following does project change control primarily seek to ensure? a. All variance to the project scope is evaluated. b. No reduction in the perceived quality of the project outcome. c. Management costs of the project do not increase. d. Any decrease in the scoped deliverable of the project is rejected.

Description : Which one of the following does project change control primarily seek to ensure? a. All variance to the project scope is evaluated. b. No reduction in the perceived quality of the project outcome. ... project do not increase. d. Any decrease in the scoped deliverable of the project is rejected.

Last Answer : a. All variance to the project scope is evaluated.

. If the Earned Value is equal to Actual Cost, it means: A. Project is on budget and on schedule B. Schedule Variance Index is 1 C. There is no schedule variance D. There is no cost variance

Description : . If the Earned Value is equal to Actual Cost, it means: A. Project is on budget and on schedule B. Schedule Variance Index is 1 C. There is no schedule variance D. There is no cost variance

Last Answer : D. There is no cost variance

A Project with a total funding of $100,000 finished with a BAC value of $95,000. What term can BEST describe the difference of $5,000? A. Cost Variance B. Management Overhead C. Management Contingency Reserve D. Schedule Variance

Description : A Project with a total funding of $100,000 finished with a BAC value of $95,000. What term can BEST describe the difference of $5,000? A. Cost Variance B. Management Overhead C. Management Contingency Reserve D. Schedule Variance

Last Answer : C. Management Contingency Reserve

Petri is working for Nokia in Finland. He has completed 10 months of his 12-month project, budgeted at $800,000. His earned value analysis shows that variance at completion is $75,000. What is the estimate at completion value for this project? Select one: a. 725,000 b. -725,000 c. -$875,000 d. $875,000 e. $800,000

Description : Petri is working for Nokia in Finland. He has completed 10 months of his 12-month project, budgeted at $800,000. His earned value analysis shows that variance at completion is $75,000. What is the estimate at completion value ... : a. 725,000 b. -725,000 c. -$875,000 d. $875,000 e. $800,000

Last Answer : d. $875,000

Which of the following represents the estimated value of the work actually accomplished? A. Earned value (EV) B. Planned value (PV) C. Actual cost (AC D. Cost variance (CV)

Description : Which of the following represents the estimated value of the work actually accomplished? A. Earned value (EV) B. Planned value (PV) C. Actual cost (AC D. Cost variance (CV)

Last Answer : A. Earned value (EV)

. If the Earned Value is equal to Actual Cost, it means: A. Project is on budget and on schedule B. Schedule Variance Index is 1 C. There is no schedule variance D. There is no cost variance

Description : . If the Earned Value is equal to Actual Cost, it means: A. Project is on budget and on schedule B. Schedule Variance Index is 1 C. There is no schedule variance D. There is no cost variance

Last Answer : D. There is no cost variance

A Project with a total funding of $100,000 finished with a BAC value of $95,000. What term can BEST describe the difference of $5,000? A. Cost Variance B. Management Overhead C. Management Contingency Reserve D. Schedule Variance

Description : A Project with a total funding of $100,000 finished with a BAC value of $95,000. What term can BEST describe the difference of $5,000? A. Cost Variance B. Management Overhead C. Management Contingency Reserve D. Schedule Variance

Last Answer : C. Management Contingency Reserve

Which one of the following does project change control primarily seek to ensure? a. All variance to the project scope is evaluated. b. No reduction in the perceived quality of the project outcome. c. Management costs of the project do not increase. d. Any decrease in the scoped deliverable of the project is rejected

Description : Which one of the following does project change control primarily seek to ensure? a. All variance to the project scope is evaluated. b. No reduction in the perceived quality of the project outcome ... project do not increase. d. Any decrease in the scoped deliverable of the project is rejected

Last Answer : a. All variance to the project scope is evaluated.

The BCWS = $250, the ACWP = $350, and the BCWP = $200. Calculate the Cost Variance. 1. -$150 2. $150 3. -$50 4. $50

Description : The BCWS = $250, the ACWP = $350, and the BCWP = $200. Calculate the Cost Variance. 1. -$150 2. $150 3. -$50 4. $50

Last Answer : 1. -$150

Cost Variance (CV) is which of the following equations? 1. CV = BCWP - BCWS 2. CV = BCWP - ACWP 3. CV = SV / BCWS 4. A and c

Description : Cost Variance (CV) is which of the following equations? 1. CV = BCWP - BCWS 2. CV = BCWP - ACWP 3. CV = SV / BCWS 4. A and c

Last Answer : 2. CV = BCWP - ACWP

A time-phased budget that project managers use to measure and monitor cost performance. A. Cost Baseline B. Cost Budgeting C. Cost Estimating D. Cost Variance

Description : A time-phased budget that project managers use to measure and monitor cost performance. A. Cost Baseline B. Cost Budgeting C. Cost Estimating D. Cost Variance

Last Answer : A. Cost Baseline

If the Earned Value is equal to Actual Cost, it means: A. Project is on budget and on schedule B. Schedule Variance Index is 1 C. There is no schedule variance D. There is no cost variance

Description : If the Earned Value is equal to Actual Cost, it means: A. Project is on budget and on schedule B. Schedule Variance Index is 1 C. There is no schedule variance D. There is no cost variance

Last Answer : D. There is no cost variance

Price movement between two Information Technology stocks would generally have a co-variance. A. zero B. positive C. negative

Description : Price movement between two Information Technology stocks would generally have a co-variance. A. zero B. positive C. negative

Last Answer : B. positive

The response curve for a step input signal from a reactor is called Ccurve. The variance of C-curve in a 'tanks in series model' comprising of 'm' tanks is equal to (A) m (B) 1/m (C) √m (D) m2

Description : The response curve for a step input signal from a reactor is called Ccurve. The variance of C-curve in a 'tanks in series model' comprising of 'm' tanks is equal to (A) m (B) 1/m (C) √m (D) m2

Last Answer : (B) 1/m

Pick up the correct statement from the following: (A) The horizontal angle between magnetic meridian and true meridian at a place is called magnetic declination or variance of the compass (B) The imaginary lines which pass through points at which the magnetic declinations are equal at a given time are called isogonic lines (C) The isogonic lines through places at which the declination is zero are termedagonic lines (D) All the above

Description : Pick up the correct statement from the following: (A) The horizontal angle between magnetic meridian and true meridian at a place is called magnetic declination or variance of the compass (B) The ... lines through places at which the declination is zero are termedagonic lines (D) All the above

Last Answer : (D) All the above

If an activity has its optimistic, most likely and pessimistic times as 2, 3 and 7 respectively, then its expected time and variance are respectively (A) 3.5 and 5/6 (B) 5 and 25/36 (C) 3.5 and 25/36 (D) 4 and 5/6

Description : If an activity has its optimistic, most likely and pessimistic times as 2, 3 and 7 respectively, then its expected time and variance are respectively (A) 3.5 and 5/6 (B) 5 and 25/36 (C) 3.5 and 25/36 (D) 4 and 5/6

Last Answer : (C) 3.5 and 25/36

What Is Effort Variance?

Description : What Is Effort Variance?

Last Answer : Effort Variance = (Actual effort – Estimated Effort) / Estimated Effort.

.Test the following system for time in variance.

Description : .Test the following system for time in variance.

Last Answer : y(n)=n x2(n) The response y(n) to delayed excitation is, y(n-k)=n x2(n- k )…………..(1) The delayed response is, y(n- k)=(n- k) x2(n- k)……..(2) Eqn. (1) is not equal to Eqn. (2). Hence the given system is time varying.

What is effort variance?

Description : What is effort variance?

Last Answer : It is the difference in estimated effort and the effort actually needed. Work performance is monitored periodically to find if there is any variance in efforts so that corrective actions could be taken.

Which of the following would explain an adverse variable production overhead efficiency variance? 1. Employees were of a lower skill level than specified in the standard 2. Unexpected idle time resulted from a series of machine breakdown 3. Poor Quality material was difficult to process (a) (1), (2) and (3) (b) (1) and (2) (c) (2) and (3) (d) (1) and (3)

Description : Which of the following would explain an adverse variable production overhead efficiency variance? 1. Employees were of a lower skill level than specified in the standard 2. Unexpected idle time resulted from a series of machine breakdown 3. ... b) (1) and (2) (c) (2) and (3) (d) (1) and (3)

Last Answer : (d) (1) and (3)

During September, 300 labour hours were worked for a total cost of Rs 4800. The variable overhead expenditure variance was Rs 600 (A). Overheads are assumed to be related to direct labour hours of active working. What was the standard cost per labour hour? (a) Rs 14 (b) Rs 16.50 (c) Rs 17.50

Description : During September, 300 labour hours were worked for a total cost of Rs 4800. The variable overhead expenditure variance was Rs 600 (A). Overheads are assumed to be related to direct labour hours of active working. What was the standard cost per labour hour? (a) Rs 14 (b) Rs 16.50 (c) Rs 17.50

Last Answer : (a) Rs 14

. Which of the following is not a reason for an idle time variance? (a) Wage rate increase (b) Machine breakdown (c) Illness or injury to worker (d) Non- availability of material

Description : . Which of the following is not a reason for an idle time variance? (a) Wage rate increase (b) Machine breakdown (c) Illness or injury to worker (d) Non- availability of material

Last Answer : (a) Wage rate increase

During a period 17, 500 labour hours were worked at a standard cost of Rs 6.50 per hour. The labour efficiency variance was Rs 7,800 favourable. How many standard hours were produced? (a) 1,200 (b) 16,300 (c) 17,500 (d) 18,700

Description : During a period 17, 500 labour hours were worked at a standard cost of Rs 6.50 per hour. The labour efficiency variance was Rs 7,800 favourable. How many standard hours were produced? (a) 1,200 (b) 16,300 (c) 17,500 (d) 18,700

Last Answer : (d) 18,700

Formula for calculating Material cost variance = ________ a) (SQ*SR) – (AQ* AR b) AQ (SP-AP) c) SP(SQ- RSQ) d) SP(SQ-AQ)

Description : Formula for calculating Material cost variance = ________ a) (SQ*SR) – (AQ* AR b) AQ (SP-AP) c) SP(SQ- RSQ) d) SP(SQ-AQ)

Last Answer : a) (SQ*SR) – (AQ* AR

Material price, mix, usage and revised quantity variances are measured on _______ basis, whereas material yield variance is measured on _______ basis. A. Output, Input B. Output, Output C. Input, Output D. None of the above

Description : Material price, mix, usage and revised quantity variances are measured on _______ basis, whereas material yield variance is measured on _______ basis. A. Output, Input B. Output, Output C. Input, Output D. None of the above

Last Answer : C. Input, Output

Idle time variance arises when A. Only one grade of labour is used B. Time is lost due to abnormal reasons C. Both a and b D. None of the above

Description : Idle time variance arises when A. Only one grade of labour is used B. Time is lost due to abnormal reasons C. Both a and b D. None of the above

Last Answer : C. Both a and b

The formula used for calculation of labour rate variance is A. Total standard labour cost of actual output - Total actual cost of actual output B. (Standard rate per hour - Actual rate per hour) * Actual Hours C. (Standard time - Actual time) * Standard rate per hour D. Abnormal idle hours * Standard hourly rate

Description : The formula used for calculation of labour rate variance is A. Total standard labour cost of actual output - Total actual cost of actual output B. (Standard rate per hour - Actual rate per hour) ... time - Actual time) * Standard rate per hour D. Abnormal idle hours * Standard hourly rate

Last Answer : B. (Standard rate per hour - Actual rate per hour) * Actual Hours

.Which of the following statements are true about labour idle time? A. Labour idle time variance is not caused by non-availability of raw material B. Labour idle time variance is measured as : Abnormal idle hours * Actual hourly rate C. Labour idle time variance is always unfavorable or adverse D. All of the above

Description : .Which of the following statements are true about labour idle time? A. Labour idle time variance is not caused by non-availability of raw material B. Labour idle time variance is measured as : Abnormal ... hourly rate C. Labour idle time variance is always unfavorable or adverse D. All of the above

Last Answer : C. Labour idle time variance is always unfavorable or adverse

Sales margin variance due to sales quantities is measured as A. Standard profit - Revised standard profit B. Revised standard profit - Budgeted profit C. Standard profit + Revised standard profit D. Revised standard profit + Budgeted profit

Description : Sales margin variance due to sales quantities is measured as A. Standard profit - Revised standard profit B. Revised standard profit - Budgeted profit C. Standard profit + Revised standard profit D. Revised standard profit + Budgeted profit

Last Answer : B. Revised standard profit - Budgeted profit

Volume variance arises when A. There is rise in overhead rate per hour B. There is decline in overhead rate per hour C. There is decrease or increase in actual output compared to the budgeted output D. None of the above

Description : Volume variance arises when A. There is rise in overhead rate per hour B. There is decline in overhead rate per hour C. There is decrease or increase in actual output compared to the budgeted output D. None of the above

Last Answer : C. There is decrease or increase in actual output compared to the budgeted output

The sub-variance of material usage variance, known as Material mix variance is measured as A. Total standard cost - Total actual cost B. Standard cost of revised standard mix - Standard cost of actual mix C. (Standard unit price - Actual unit price) * Actual quantity used D. (Standard quantity - Actual quantity) * Unit standard price

Description : The sub-variance of material usage variance, known as Material mix variance is measured as A. Total standard cost - Total actual cost B. Standard cost of revised standard mix - Standard cost of ... unit price) * Actual quantity used D. (Standard quantity - Actual quantity) * Unit standard price

Last Answer : B. Standard cost of revised standard mix - Standard cost of actual mix

The distribution in which Mean = Variance

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