Define cumulative frequency distribution.

Define cumulative frequency distribution.
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Answer :

Ans: A table showing the cumulative frequency distribution is called the cumulative frequency distribution or a cumulative frequency distribution is a summary of a set of data showing the frequency (or number) of items less than or equal to the upper class limit of each class.
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Related questions

what is simple frequency distribution?

Description : what is simple frequency distribution?

Last Answer : Ans: Number of times a given quantity (or group of quantities) occurs in a set of data. For example, the frequency distribution of income in a population would show how many individuals (or households) have the income of a certain level (say, $5,000 a month)

What is relative frequency distribution?

Description : What is relative frequency distribution?

Last Answer : Ans: The relative frequency is the fraction or proportion of the total number of items belonging to a class. This definition is applicable to both quantitative and categorical (qualitative) data.

What steps should we consider to make a frequency distribution?

Description : What steps should we consider to make a frequency distribution?

Last Answer : Ans: (a) Decide the nature of data as discrete or continuous (b) Find the range (c) Decide in the light of above two steps in which case the given problem falls. Cases are as follows: (1 ... Decide approximate desired number of classes (3) Decide desired size of class (4) Decide the design of class.

What is frequency distribution?

Description : What is frequency distribution?

Last Answer : Ans: A frequency distribution is a tabular arrangement of data into classes according to the size or magnitude along with corresponding class frequencies (the number of values fall in each class).

Cumulative frequency distribution is helpful to calculate----- (a) mean (b) median © mode (d) both (b) and (c).

Description : Cumulative frequency distribution is helpful to calculate----- (a) mean (b) median © mode (d) both (b) and (c).

Last Answer : (b) median

Statistics question on Poisson distribution?

Description : Statistics question on Poisson distribution?

Last Answer : It's been a while, but I recall the Poisson distribution as being more useful in queuing theory. I also recall that it's more useful when you are talking about discrete, rather than continuous intervals. ... have been able to give you a better answer. However, here's Mathworld's page on the subject.

The distribution of heights of American women aged 18 to 24 is approximately normally distributed with a mean of 65.5 inches and standard deviation of 2.5 inches. Calculate the z-score for a woman six feet tall. a. 2.60 b. 4.11 c. 1.04 d. 1.33

Description : The distribution of heights of American women aged 18 to 24 is approximately normally distributed with a mean of 65.5 inches and standard deviation of 2.5 inches. Calculate the z-score for a woman six feet tall. a. 2.60 b. 4.11 c. 1.04 d. 1.33

Last Answer : a. 2.60

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

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

What is frequency polygon?

Description : What is frequency polygon?

Last Answer : Ans: Frequency polygons are a graphical device for understanding the shapes of distributions. They serve the same purpose as histograms, but are especially helpful for comparing sets of data. Frequency polygons are also a good choice for displaying cumulative frequency distributions.

Define Dependent Event.

Description : Define Dependent Event.

Last Answer : Ans: If there are two events i.e. A in sample space 1 (S1) and B in sample space 2 (S2) and occurrence or non-occurrence of one event affects the occurrence and nonoccurrence of other event then it is called dependent event.

Define Independent Event.

Description : Define Independent Event.

Last Answer : Ans: If there are two events i.e. A in sample space 1 (S1) and B in sample space 2 (S2) and occurrence or non-occurrence of one event does not affect the occurrence and non-occurrence of other event then it is called independent event.

Define Equally Likely Event.

Description : Define Equally Likely Event.

Last Answer : Ans: If two events A & B have equal chance of occurrence in sample space S then the event will be Equally Likely Event.

Define Not-Mutually Exclusive events.

Description : Define Not-Mutually Exclusive events.

Last Answer : Ans: If two events A & B have some thing common in sample space S then the event will be Not-Mutually exclusive event.

Define Mutually Exclusive events.

Description : Define Mutually Exclusive events.

Last Answer : Ans: If two events A & B have nothing common in sample space S then the event will be mutually exclusive event.

Define Impossible event.

Description : Define Impossible event.

Last Answer : Ans: An event of sample space contains none of the possible outcome is called impossible event and is denoted by Greek letter φ.

Define possible event.

Description : Define possible event.

Last Answer : Ans: An event of sample space contains at least one possible outcome is called possible event.

Define compound event.

Description : Define compound event.

Last Answer : Ans: An event of sample space contains at least two outcomes is called compound event these may be denoted by any letter A to Z.

Define simple event.

Description : Define simple event.

Last Answer : Ans: An event of sample space contains only one outcome is called simple event.

Define an event. What are its types?

Description : Define an event. What are its types?

Last Answer : Ans: A single result of an experiment or any desired sub set of the sample space is called and event and it may be denoted by any letter A to Z. it has two main types (1) Possible event & (2 ... (1) simple event (2) compound event and compound event has one more type which is sure or certain event.

Define Sample Point.

Description : Define Sample Point.

Last Answer : Ans: The elements of the sample space or possible outcome of a given random experiment is called sample point.

Define Sample Space or possible outcomes.

Description : Define Sample Space or possible outcomes.

Last Answer : Ans: All possible outcomes of an experiment are called sample space and is denoted by “S” i.e. in toss of coin the sample space will be two (Head & Tail) & in throwing a die it will be 6 (1, 2, 3, 4, 5, 6)

Define Probability.

Description : Define Probability.

Last Answer : Ans: Probability is the measurement of uncertainty which consists on occurrence or non-occurrence of an event.

Define an experiment/random experiment/trial?

Description : Define an experiment/random experiment/trial?

Last Answer : Ans: In probability, experiment or trial is simply an action in which the result is uncertain or simply uncertain situation in statistics is called Random Experiment (R.E).

Define price relative.

Description : Define price relative.

Last Answer : Ans: Price in current year divided by price of base year and multiplied by 100 is simply called price relative.

Define link relative.

Description : Define link relative.

Last Answer : Ans: Price of current period divided by price of immediate previous period multiplied by 100 is called link relative.

Define Unweighted index number

Description : Define Unweighted index number

Last Answer : Ans: Unweighted index number is an index in which weights are not assigned to an index.

Define weighted index number

Description : Define weighted index number

Last Answer : Ans: Weighted index number is an index in which weights are assigned to that index.

Define Chain Base method.

Description : Define Chain Base method.

Last Answer : Ans: In this method index number is computed in two steps. As a first step, we calculate link relative by dividing current period price/quantity/value by price/quantity/value of immediate ... relative by link relative of immediate previous period of current period and divide this product by 100.

Define Mode with examples.

Description : Define Mode with examples.

Last Answer : Ans: Most repeated value of the given data is called mode for example if X=2, 2, 3, 4, 5, 5, 5, 6, 8, 10. In this data most repeated value is 5 so our mode will be 5.

Define Arithmetic Mean.

Description : Define Arithmetic Mean.

Last Answer : Ans: It is the most commonly used average or measure of the central tendency applicable only in case of quantitative data. Arithmetic mean is also simply called “mean”. Arithmetic mean is defined as: “Arithmetic mean is quotient of sum of the given values and number of the given values”.

Define Histogram.

Description : Define Histogram.

Last Answer : Ans: Histogram is a set of adjacent rectangles in which area of each rectangle is proportional to the corresponding class frequency and class size.

Define class mark.

Description : Define class mark.

Last Answer : Ans: The class marks or mid point is the mean of lower and upper class limits or boundaries. So it divides the class into two equal parts. It is obtained by dividing the sum of lower and upper class limit or class ... . For Example: The class mark or mid point of the class 60 - 69 is 60 69/2 = 64.5

Define class interval.

Description : Define class interval.

Last Answer : Ans: The difference between the upper and lower class boundaries (not between class limits) of a class or the difference between two successive mid points is called size of class interval.

Define class limits.

Description : Define class limits.

Last Answer : Ans: The variant values of the classes or groups are called the class limits. The smaller value of the class is called lower class limit and larger value of the class is called upper class limit. ... 19, the smaller value 10 is lower class limit and larger value 19 is called upper class limit.

Define tabulation.

Description : Define tabulation.

Last Answer : Ans: The process of placing classified data into tabular form is known as tabulation. A table is a symmetric arrangement of statistical data in rows and columns. Rows are horizontal arrangements ... vertical arrangements. It may be simple, double or complex depending upon the type of classification.

Define attribute by giving example.

Description : Define attribute by giving example.

Last Answer : Ans: Attribute represents the quality or character. For example color of eyes, type of mangoes, beauty etc.

Define continuous data and give two examples.

Description : Define continuous data and give two examples.

Last Answer : Ans: Data which can be described by a continuous variable is called continuous data. For e.g. age of persons, speed of car, temperature at a place, income of a person, height of a plant, a life time of a T.V tube etc

Define population and sample.

Description : Define population and sample.

Last Answer : Ans: Total group under discussion is called population. For example height of all class students. A part of population which represents the population is called sample.

Define discrete variable by giving examples.

Description : Define discrete variable by giving examples.

Last Answer : Ans: A variable which can assume only some specific values within a given range is called discrete variable. For e.g. Number of students in a class, Number of houses in a street, number of children in a family etc. it can’t occur in decimal.

Define discrete and continuous variable.

Description : Define discrete and continuous variable.

Last Answer : Ans: A variable which can assume only some specific values within a given range is called discrete variable. For e.g. Number of students in a class, Number of houses in a street, number of children in a family etc. ... at a place, income of a person, height of a plant, a life time of a T.V tube etc.

Define Statistics in your own words.

Description : Define Statistics in your own words.

Last Answer : Ans: Statistics is the science which deals with data. After collection & organization of data, it is further analyzed statistically and interpreted. It is the science of average, counting & probability.

How do I interpret data from a given table with frequency percent valid percent cumulative percent Each one has different levels of measurement such as nominal ordinal interval and ratio?

Description : How do I interpret data from a given table with frequency percent valid percent cumulative percent Each one has different levels of measurement such as nominal ordinal interval and ratio?

Last Answer : The answer depends on what the variables are and whether or notthere are any scientific or economic (or other) laws linking thevariables. A lot more basic information is required before you canstart interpreting data in any meaningful way.

How do I interpret data from a given table with frequency percent valid percent cumulative percent Each one has different levels of measurement such as nominal ordinal interval and ratio?

Description : How do I interpret data from a given table with frequency percent valid percent cumulative percent Each one has different levels of measurement such as nominal ordinal interval and ratio?

Last Answer : The answer depends on what the variables are and whether or notthere are any scientific or economic (or other) laws linking thevariables. A lot more basic information is required before you canstart interpreting data in any meaningful way.

Minimum permissible speed on high speed roads, is decided on the basis of (A) 15 percentile cumulative frequency (B) 20 percentile cumulative frequency (C) 30 percentile cumulative frequency (D) 40 percentile cumulative frequency

Description : Minimum permissible speed on high speed roads, is decided on the basis of (A) 15 percentile cumulative frequency (B) 20 percentile cumulative frequency (C) 30 percentile cumulative frequency (D) 40 percentile cumulative frequency

Last Answer : Answer: Option A

Speed regulations on roads is decided on the basis of (A) 60 percentile cumulative frequency (B) 75 percentile cumulative frequency (C) 80 percentile cumulative frequency (D) 85 percentile cumulative frequency

Description : Speed regulations on roads is decided on the basis of (A) 60 percentile cumulative frequency (B) 75 percentile cumulative frequency (C) 80 percentile cumulative frequency (D) 85 percentile cumulative frequency

Last Answer : Answer: Option D

Does your state list all covid cases in your state?

Description : Does your state list all covid cases in your state?

Last Answer : My county reports to the state of Georgia, and the numbers are based on the number of positive tests in the county. This assembled from both medical offices (hospitals, doctors offices, etc.) ... the state). There is no subcategory in the statistics for state residents versus non-state residents.

When it comes to the COVID pandemic, what statistics are important to you?

Description : When it comes to the COVID pandemic, what statistics are important to you?

Last Answer : 1. Daily positive cases in my state and the positivity rate 2. I am also interested in knowing where the likely sources of positivity came from: tourists versus community transmission. 3. Percentage of beds ... Dept. of Health, and we provide some of these data points daily. I trust the department.

Stats homework question?

Description : Stats homework question?

Last Answer : Read your course notes or follow this tutorial. https://www.mathsisfun.com/data/binomial-distribution.html

In a game where a random success rate is offered (as opposed to a game that is 100% winable) what should you expect as a success rate?

Description : In a game where a random success rate is offered (as opposed to a game that is 100% winable) what should you expect as a success rate?

Last Answer : LOL! Interesting question. But you missed a spot on the floors. Well, you have to factor in that it’s not just random success. There is some strategy involved too.

What topics are covered in university math statistics ?

Description : What topics are covered in university math statistics ?

Last Answer : Today is your lucky day amigo. One of the finest universities in all of the US is offering you, RedDeerGuy1, a special chance to take a real, college level, Statistics class, free of charge, ... statistically speaking, people who start the course are at least 50% more likely to finish it. Get some.