Description : How can you rid non-response bias from a 95 confidence interval for the population proportion a) use t b) make CI 99 c) make CI 80 d) Increase n by 250 and use an SRS for those remaining e) none?
Last Answer : The answer is e) none. You cannot rid non-response bias.
Description : A group of selected individuals which are representative of the population is called: C A. Stratum B. Confidence interval C. Sample D. Bias
Last Answer : Sample
Description : Water comprises approximately ____ percent of cleaning and sanitizing solutions. a. 80 to 89 c. 90 to 95 b. 95 to 99 d. 75 to 85
Last Answer : b. 95 to 99
Description : Using the data in question 7, calculate the 95% confidence interval for the mean ACT score based on the t-distribution. a. -∞ to 23.05 b. -∞ to 23.15 c. 18.07 to 23.63 d. 18.22 to 23.48
Last Answer : c. 18.07 to 23.63
Description : 82. After the value of Ci– increasing than the value of the process is said to be out-of-control. a) Control interval b) Decision interval c) Distribution interval d) Calculation interval
Last Answer : Control interval
Description : A man is sitting in a room along with a group of mostly women. The man suddenly begins shouting out a list of letters and numbers, alternating between the two, (e.g., letter - number - ... room to feel disappointment, while the woman who shouts out, feels happiness. What is happening here? -Riddles
Last Answer : The man is calling a Bingo Game for a group of mostly women. The woman who shouts out says, 'Bingo!', and feels happy, while the rest of the people feel disappointment.
Description : Which of the following statements are true? a. The larger the sample size, the greater the sampling error b. The more categories or breakdowns you want to make in your data analysis, the larger ... the larger the sample needed d. As sample size decreases, so does the size of the confidence interval
Last Answer : b. The more categories or breakdowns you want to make in your data analysis, the larger the sample needed
Description : Help calculating 95% confidence interval?
Last Answer : You’re probably trying to get excel to divide by zero, which is a math no-no. try using an IF(logical_argument; if_yes; if_no) function to determine if a certain cell has a value of 0, then follow through.
Description : When asked questions concerning personal hygiene, people commonly lie. This is an example of: a. sampling bias b. confounding c. non-response bias d. response bias
Last Answer : d. response bias
Description : Pick out the wrong statement. (A) Gross revenue is that total amount of capital received as a result of the sale of goods or service (B) Net revenue is the total profit remaining ... indicates surplus capital and shows the relationship among total income, costs & profit over the time interval
Last Answer : (C) Working capital turnover ratio = sales/net working capital
Description : The scores of an English test out of 100 of 20 students are given below : 75, 69, 88, 55, 95, 88, 73, 64, 75, 98, 88, 95, 90, 95, 88, 44, 59, 67, 88, 99. -Maths 9th
Last Answer : Median=n=even =n/2=20/2=10th observation =98 Mode =88
Description : My ex wife owe over $20,000.00 in back taxes. Years owed 95,98,99, and 2000.I recently filed this missing years and now have a fairly accurate assessment of what we owe. Unable to pay without filing Chapter 7 or 13.Income is stretched to the limit. ?
Last Answer : If she is your ex-wife, you probably aren't liable for her back taxes. Usually, your legal separation agreement will stipulate that you are each responsible for your own taxes. If so, I would think you're off the hook for this.
Description : Water content of sewage is about A. 90 % B. 95 % C. 99 % D. 9.9 %
Last Answer : ANS: D
Description : Density of high density polythene is about __________ gm/c.c. (A) 1.18 (B) 1.05 (C) 0.95 (D) 0.99
Last Answer : (C) 0.95
Description : Purity of electrical grade aluminium should be ≥ __________ percent. (A) 95 (B) 99.5 (C) 85 (D) 90
Last Answer : (B) 99.5
Description : At what percentage (by volume) of alcohol composition, it forms anazeotrope with water? (A) 90 (B) 91.5 (C) 95 (D) 99
Last Answer : (C) 95
Description : Pure rectified spirit contains about __________ percent alcohol. (A) 45 (B) 70 (C) 95 (D) 99.5
Description : Consider the following JAVA program: public class First { public static int CBSE (int x) { if (x < 100) x = CBSE (x +10); return (x - 1); } public static void main (String[] args){ System.out.print(First.CBSE(60)); } } What does this program print? (1) 59 (2) 95 (3) 69 (4) 99
Last Answer : (2) 95
Description : Hemant sold 10 sarees for a total profit of Rs. 460 and 12 sarees for a total profit of Rs. 144. At what profit per saree should he sell the remaining 20 sarees so that he gets an average profit of Rs. 18 per sarees? A. Rs 7.10 B. Rs 7.60 C. Rs 7.99 D. Rs 8
Last Answer : Answer – B (Rs 7.60) Explanation – Total profit required = Rs.(42 x 18) = Rs.756 Profit on 22 sarees = Rs. (460 + 144) = Rs. 604 Profit on 20 sarees = Rs. (756 – 604) = Rs. 152 Average profit on these sarees = Rs.(152/20) = Rs. 7.60
Description : The batting average for 20 innings of a cricketer is 25 runs. His highest score exceeds his lowest score by 86 runs. If these two innings are excluded, the average of the remaining 18 innings is 22runs. Find out the highest score of the player. A) 85 B) 90 C) 95 D) 100
Last Answer : C) Total runs scored by the player in 20 innings = 20*25 Total runs scored by the player in 18 innings after excluding two innings = 18 22 Sum of the scores of the excluded innings = 20 25 - 18 22 = 104 Given that ... Now x + 86 + x = 104 => 2x = 18 then x = 9 Highest score = 9+ 86 = 95
Description : The average score in a bank examination of 13 students of a class is 50. If the scores of the top five students are not considered, the average score of the remaining students falls by 5. The pass mark ... integral scores, the maximum possible score of the topper is. A) 85 B) 90 C) 95 D) 100
Last Answer : D Average = Sum of observations/Number of observations Given, average score in a bank examination of 13 students of a class is 50. Sum of total scores = 13 50= 650 Given, if the scores of the top five students are not ... b + c + d + e = 290 ⇒46+ 47 + 48+ 49 +e = 290 ⇒e = 100
Description : The company announcement: SUCCESFUL SALE OF PLANT: 75 PER CENT OF 1,000 JOBS TO BE SAVED! The local newspaper headline: 250 JOBS TO GO AT PROCESSING PLANT What is illustrated here? (a) Availability heuristic ; (b) Judgemental bias ; (c) Overconfidence ; (d) Framing error
Last Answer : (d) Framing error
Description : A steel rod of sectional area 250 sq. mm connects two parallel walls 5 m apart. The nuts at the ends were tightened when the rod was heated to 100°C. If steel = 0.000012/C°, Esteel = 0.2 MN/mm2 , the ... N/mm2 (B) 100 N/mm2 (C) 120 N/mm2 (D) 150 N/mm2 Answer: Option
Last Answer : (C) 120 N/mm
Description : A solid shaft has diameter 80 mm. It is subjected to a torque of 4 KNm. The maximum shear stress induced in the shaft would be (a) 75/p N/mm2 (b) 250/p N/mm2 (c) 125/p N/mm2 (d) 150/p N/mm2
Last Answer : (c) 125/p N/mm2
Description : A grouped frequency table with class intervals of equal sizes using 250-270 (270 not included in this interval) as one of the class interval is constructed for the following data -Maths 9th
Last Answer : NEED ANSWER
Last Answer : (c) Here, we arrange the given data into groups like 210-230, 230-250 390-410. (since, our data is from 210 to 406). The class width in this case is 20. Now, the given data can be arrange in tabular form as follows
Description : Formula for established plants to the speed sown based on the dug seed is given by A. CI= [(E×10000) /(D×W) ]×1000 B. CI=[E/(N+E) ]×100 C.Both (A) and (B) D. None of (A) and (B)
Last Answer : B. CI=[E/(N+E) ]×100
Description : Formula for established plant to the seed sown based on the delivery rate (kg/ha) is A. CI=[(E×10000) /(D×W) ]×100 B. CI=[E/(N+E) ]×100 C. Both (A) and (B) D. None of (A) and (B)
Last Answer : A. CI=[(E×10000) /(D×W) ]×100
Description : The major DISADVANTAGE of a mail survey versus a telephone or personal interview survey is: A)having to offer incentives B)the low response rate C)the elimination of interview bias D)the lack of open-ended questions E)the cost
Last Answer : B)the low response rate
Description : Assume postal rates for 'light letters' are: $0.25 up to 10 grams; $0.35 up to 50 grams; $0.45 up to 75 grams; $0.55 up to 100 grams. Which test inputs (in grams) would be selected using boundary value analysis? A. 0, 9,19, ... C. 0, 1,10,11, 50, 51, 75, 76,100,101 D. 25, 26, 35, 36, 45, 46, 55, 56
Last Answer : C. 0, 1,10,11, 50, 51, 75, 76,100,101
Description : X is a working and Y is sleeping partners in a business. X puts in Rs. 2500 and Y puts in Rs.3000. X receives 25/2% of the profit for managing the business and the rest is divided in proportion to their capital. What does Y get out of a profit of Rs. 440? A) 210 B) 200 C) 250 D) 275
Last Answer : Answer: A) Total profit = Rs. 440 X's share for managing the business i.e 25/2 % = {25/ 100}{440/2}=Rs.55 Remaining profit of X and Y as per their capital = 440 - 55= Rs. 385 Ratio of amounts = 2500 : 3000 ... 5}/{11}= Rs.175 X's total share = 175 + 55= Rs. 230 Y's share = 385{6}/{11}=Rs.210
Description : If all the dimensions of a bar are increased in the proportion n : 1, the proportion with which the maximum stress produced in the prismatic bar by its own weight, will increase in the ratio (A) 1 : n (B) n : 1 (C) 1 : (1/n) (D) 1 : n
Last Answer : (B) n : 1
Description : A officer undertakes to complete a job in 250 days. He employs 300 male for 50 days and they complete 1/2 of the work . He then reduces the number of male to 100, who work for 120 days, after which there ... male must be employed for the remaining period to finish the work? a) 25 b) 50 c) 45 d) 35
Last Answer : B 300 male in 50 days do = 1/2work 1 male in 1 day does = ½*1/50*1/300 work 100 male in 120 days do = ½ *1/50*1/300 *100*120 =2/5 work Total work done = ½ + 2/5 =(5+4)/10=9/10 ... is done in 50 days by 300 male 1/10 work is done in 60 days by =300*50*1*2/10*60 =50 male
Description : What is a perception check? a) a cognitive bias that makes us listen only to information we already agree with b) a method teachers use to reward good listeners in the classroom c) ... that allows you to state your interpretation and ask your partner whether or not that interpretation is correct
Last Answer : d) a response that allows you to state your interpretation and ask your partner whether or not that interpretation is correct
Description : An 80-year-old woman has a three month history of progressive numbness and unsteadiness of her gait. On examination, there is a mild spastic paraparesis, with brisk knee reflexes, ankle ... dorsal meningioma C. multiple sclerosis D. subacute combined degeneration of the cord E. tabes dorsalis
Last Answer : Ans: B
Description : What is a voluntary response bias could occur is a survey that?
Last Answer : Only includes those who want to participate
Description : What is the voluntary response bias?
Last Answer : What is the answer ?
Description : What is a voluntary-response bias could occur is a survey that?
Description : What is A voluntary-response bias could occur is a survey that is?
Description : The major DISADVANTAGE of a mail survey versus a telephone or personal interview survey is 1. having to offer incentives 2. the low response rate 3. the elimination of interview bias 4. the lack of open-ended questions 5. cos
Last Answer : the low response rate
Description : Direct response advertising related to consumer confidence?
Last Answer : Sounds like a homework question. But it depends on which market you’re looking at.
Description : A milkman mixes 20 litres of water with 80 litres of milk. After selling one-fourth of this mixture, he adds water to replenish the quantity he has sold, what is the current proportion of water to milk? a) 1 : 3 b) 2 : 3 c) 3 : 4 d) 4 : 3 e) None of these
Last Answer : Milk remaining after selling 1/4 of mixture = 80 ×(1- 1/4)=60 litres =>water =100-60 = 40 litres => Required ratio = 40 : 60 =2 : 3 Answer: b)
Description : When asked about the quality of Electrico's distribution system, Mark Johnson proclaims that 95 percent of all orders are filled within two working days. This statement represents the firm's A)mission statement. B)response factor. C)shipping objective. D)customer commitment. E)service standard.
Last Answer : E)service standard.
Description : What percent of candidates from institute D have come out to be successful out of the total candidates enrolled from this institute? a) 115 b) 95 c) 80 d) 85 e) None of these
Last Answer : b) 95
Description : Which of the following statements about septic shock are true? A. A circulating myocardial depressant factor may account for the cardiac dysfunction sometimes seen with shock due to sepsis or ... animal studies that demonstrate a significant improvement in survival with the use of such agents.
Last Answer : Answer: AB DISCUSSION: Shock due to sepsis or SIRS frequently manifests as a hyperdynamic cardiovascular response, consisting of an elevated CI and a decreased SVR or SVRI. Occasionally, ... been encouraging thus far in human clinical trials, despite the promising results from many animal studies
Description : The knocking tendency in CI engines increases with (a) Increase of coolant water temperature (b) Increase of temperature of inlet air (c) Decrease of compression ratio (d) Increase of compression ratio
Last Answer : Ans :c
Description : 99. The companion asks why the client was advised to avoid iron supplements or vitamins. The correct response of the nurse would be
Last Answer : A. “These supplements enhance the production of RBC.”