In frequency distributions, classes are mutually exclusive if each individual, object, or measurement is included in only one category. O True O False

Q: A histogram is a graph that represents the cumulative frequencies for the categories in a frequency…

A: Histogram is s graph in which we plot frequency of a categories on y- axis. And categories are on x…

Q: In any relative frequency distribution, the sum of all the relative frequencies is always equal to 1…

A: The relative frequency is obtained as:   relative frequency = class frequencytotal frequency…

Q: Which of the following is NOT a type of frequency distribution? O a. Continuous O b. Natural O c.…

A: In the given problem we have to answer, which of the following is not a type of frequency…

Q: nign schoOl students in a statistics 54 44 81 65 91 95 88 47 19 26 78 64 18 93 32 87 90 65 33 15 54…

A: 4. Pie chart class frequency 10-20 3 20-30 3 30-40 3 40-50 4 50-60 5 60-70 5 70-80…

Q: The following are the number of automobile accidents that occurred at 60 major intersections in a…

A: Automobile Accident Frequency 0 15 1 12 2 11 3 7 4 8 5 5 6 2

Q: In a grouped frequency distribution, a cumulative percentage of 80% corresponds to the interval 5-9.…

A: The kth percentile can be interpreted as, value at or below which at least k percent of the…

Q: QUESTION 9 A frequency distribution is a grouping of quantitative data Into overlapping dasses…

A: Solution Answer is true

Q: Consider the following frequency table representing the distribution of hours students watch tv in a…

A: From the given information, Total frequency=11+7+12+7+11=48. Frequency for 3rd class=12

Q: In the frequency distribution X     f 10   1 9     2 8     4 7     3 6     2 What is the sum…

A: The given data shows the frequency distribution.

Q: One item on a questionnaire asks students how many times per day in a typical week they make a call…

A: Sample size = n = 12

Q: If the first class in the frequency distribution starts at 19 and the class width is 4, then the…

A:

Q: Find the missing frequency in the following distribution if N is 100 and Median is Marks : 0-10…

A:

Q: In a frequency distribution, if the length of the class is equal to 5 and the number of classes is…

A: Given: Length of the class is 5. Number of classes is 6. The objective is to find the range of…

Q: Example 15. Construct a continuous frequency distribution table (inclusive type) of the following…

A:

Q: In a frequency distribution, the mid value of a class is 14.5 and the width of the class is 6. The…

A: The mid value is 14.5, and the width of the class is 6 then the difference of the class should be 5.…

Q: The following table lists the frequency distribution for 60 rolls of a die.

A: Introduction: The investigator is specially interested to test whether the given die is fair or not.…

Q: How many classes a frequency distribution should have а. Neither very large nor very small number b.…

A: Introduction The given question on frequency distribution is a multiple choice question. So in the…

Q: A sample of 30 employees from large companies was selected, and these employees were asked how…

A: The responses are given as: Here, the response "none" is defined to be "not stressful at all".

Q: In  a frequency distribution , the mid value of  a  class is 10 and the width of the classs is 6.…

A:

Q: The cumulative frequency for a class in a frequency distribution is the sum of the frequencies for…

A: Cumulative frequency distributions: The cumulative frequency is calculated by adding the frequency…

Q: e following two grouped frequency distributions represent the times, over a one-week period, that…

A: Hi! Thank you for the question, As per the honor code, we are allowed to answer three sub-parts at a…

Q: When constructing frequency distributions there must be 12 class intervals. a. False O b. True

A: Given a statement we have to write the statement true or false.

Q: For the following categorical frequency distribution, the highest frequency is Section: Electrician…

A: Different frequency are given-

Q: In constructing a frequency distribution for population, the number of classes depends on OA. None…

A: Formula Used: Number of classes = 1 + 1.33Log(N) Where N is population size.

Q: The number of unclaimed expired prizes (in millions of dollars) for lottery tickets bought in a…

A: Given information: The number of unclaimed expired prizes (in millions of dollars) for lottery…

Q: A graph of a cumulative frequency distribution is called: A Frequency Polygon Histogram C Ogive None…

A:

Q: Which of the following must be included in a frequency distribution? Mark ALL the answers you think…

A: It is an important part of statistics. It is widely used.

Q: If the class mid points in a frequency distribution of age of a group of persons are 12, 20, 28, 36,…

A: We need to find out width of class intervals

Q: Explain and provide an example for each of the following shapes of frequency distributions.…

A: Symmetrical shape of frequency distribution: A distribution is said to be symmetric if the left and…

Q: Below is an incomplete Frequency distribution with the class intervals for the first three bottom…

A: We have to find the upper limit of class interval in top row.

Q: Question a. Prepare a cumulative frequency distribution. b. Calculate the cumulative relative…

A: Frequency is the counts of observation occur in the data set. Relative frequency represent the…

Q: Which one of the following can be taken as frequency while calculating median for the grouped data?…

A: Given,Which one of the following can be taken as frequency while calculating median for the grouped…

Q: What is the class width of the following class intervals taken from a frequency distribution? 11 –…

A: It just subtraction of numbers.

Q: 2- For a semi-symmetric frequency distribution, if the median is equal to 26 and the arithmetic mean…

A: Given: For a semi-symmetric frequency distribution we have, Median = 26 Mean = 24

Q: A researcher surveys a sample of n 20 college students and asks each person to identify their…

A:

Q: consider the following frequency table representing the distribution of the cost of a paperback…

A: Class width of each class is the difference between consecutive upper or lower classes.

Q: In a frequency distribution, the class with the greatest frequency is call the class.

A: Frequency distribution.

Q: Among fatal plane crashes that occurred during the past 70 ​years, 332 were due to pilot​ error, 63…

A: Insert all the data into excel then Dividing the individual frequency with the total will give us…

Q: While constructing Frequency Distribution, the number of classes used depends upon... a. Number of…

A: The correct option is  (D) Size of class  Size of class remains the same for all class intervals and…

Q: 4. A sporting goods store kept a record of sales of five items for one randomly selected hour during…

A:

Q: Question No:2 Stories in the World's Tallest Buildings: The number of stories in each of the world's…

A: Given Information:

Q: Suppose you are working with a dataset of size 500. How many classes would be most appropriate,…

A: Practically the number of classes should neither be too small nor too large. If number of classes is…

Q: Consider the following frequency distribution: SOLVE AN Class Interval 10-under 20 20-under 30…

A: Frequency Distribution: A frequency distribution is representations of data in a graphical or…

Q: 4. Draw a 'less than ogive' for the following frequency distribution Marks No. of Students 0-4 4-8…

A:

Q: Which statement correctly compares the shapes of the distributions? Class Sizes at East Valley HS…

A: From the given graph:   For East Valley HS the data is more towards the left side and less towards…

Q: 6. Below is a frequency distribution. Classes 0-14 4. 15-29 18 30-44 12

A: (a) - Mean deviation :        Mean ˉx∑fx/∑f      =1649/47      =35.0851 Class(1) f(2) Mid value…

Q: If the class mid points in a frequency distribution of age of a group of persons are 12, 18, 24, 30,…

A: Solution: Given information: The class mid points of distribution of age group of persons are  12,…

Q: Because of advancements in communication and information technologies, workers are increasingly able…

A: The formula for standard deviation is: s=∑f(x-x)2∑f-1