13. The table below shows the grouped frequency table for the ages of new car purchasers at a large car dealership. Age Classmark Frequency Cum. Frequency 20 28 32 30 20 23 33 - 37 38- 42 43-47 48-52 35 40 45 43 71 114 45 26 159 185 50

Q: What is a frequency distribution of qualitative data and why is it useful?

A: Frequency distribution: Sometimes an event will be occurred two or more times, the number of…

Q: Professor Z had the following grade distribution in her class:…

A: Data with regard to a single variable is called as univariate data.One of the measure is measure of…

Q: Describe the main measures of central tendency and dispersion. Why are they important in analyzing…

A: A measure of central tendency helps to identify the location of a dataset, whereas a measure of…

Q: Find the variance for this data set of salaries 30, 34, 52, 48, 25, 36, 27 Round the…

A: The mean of the sample data can be obtained as:

Q: Explain this quote by Peter Thiel. “Most people are average. Founders are not. Founders' traits seem…

A: “Most people are average. Founders are not. Founders' traits seem to have an inverse normal…

Q: The grades on the second statistics test for Ms. Rose's class are in the following list. Complete…

A: We first arrange the data A, B, B, C, C, C, C, C, C, C, C, C, D, D, D, D, D, D, F, F, F

Q: As part of the National Health and Nutrition Examination Survey, subjects were asked how long they…

A: The question is about descriptive stats Given : Data :   To find : Value of mean

Q: exam is 53.48 and the mean for that same exam is 44.23.  What would be the shape of the distribution…

A: For any Normal distribution, the shape of the distribution can be said if the mean, median and mode…

Q: The value of the median for the following data: 3, 3, 1, 8, 5, 2, 2, 2, 6, 12   4.0   3.0   3.5…

A: Given the data 3 3 1 8 5 2 2 2 6 12

Q: Dr. Samwell Tarly wants to estimate the number of books checked out of the library in the past year.…

A: It is given that the mean is 10,000 and the standard deviation is 10.

Q: What is an everyday example of variance within samples?

A: If we need to know the variance within samples, we need to use ANOVA Test.

Q: Body temperature (in degrees Fahrenheit) of randomly selected normal and healthy adults are shown…

A:

Q: The average daily points for my fantasy baseball team are {4.1, 5.7, 3.8, 4.7, 4.7, 5.5, 4.1, 2.7,…

A: Solution: Note: Hello! As you have posted more than 3 sub parts, we are answering the first 3…

Q: A successful basketball player has a height of 6 feet 8 ​inches, or 203 cm. Based on statistics from…

A: Consider X is a random variable defined as the height of a successful basketball player.The provided…

Q: A certain dataset has the following values: Mean = 40; Median = 30; Mode = 30 What is the shape of…

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

Q: What is Variability between Groups?

A: Introduction: Consider k groups are to be compared with respect to their means, when it is known…

Q: The side-by-side dotplot below displays the arm spans, in centimeters, for two classes. Which…

A: Stem and leaf is the graphical representation of the data. Here we divide the data into two parts…

Q: The grades on the second statistics test for Ms.Rzose's class are in the following list. Complete…

A: Given that the grades are B,B,D,D,A,D,D,D,A,C,F,D,A,C,F,D,A,C,B,D,D,A,A,A,D We first arrange the…

Q: Compute the mean, median, Variance, and the standard deviation for the data below: 3,2 ,3, 4, 3…

A:

Q: Which of the following statistics would be helpful for measuring dispersion? (the spread

A: Given problem Given that   Which of the following statistics would be helpful for measuring…

Q: Find the variance of the following sample data: 11, 13, 14, 15 and 21 (Write the answer up to 1…

A: Given that  11,13,14,15,21 To find the variance

Q: Suppose that we know that 33.8% of the people born in the United States between 1936 and 1951 have…

A: The given situation follows binomial distribution. The proportion of people born in United States…

Q: The summary data from study demonstrates a stronger relationship between how many minutes per day a…

A: Given : A standard deviation is a measure of how dispersed the data is in relation to the mean. Low…

Q: he highway mileage (mpg) for a sample of 8 different models of a car company can be found below.…

A: The given sample is 30, 35, 22, 19, 29, 35, 27, 26.

Q: 6. The following data give the number of new cars sold at a dealership during a 12-day period 13, 5,…

A: see

Q: Find the variance for the set of data: 27, 33, 20, 25, 25. The variance is ***

A: Solution: x x2 27 729 33 1089 20 400 25 625 25 625 --- --- ∑x =130 ∑x2 =34685

Q: Use the following values to answer question: 2, 4, 6, 5, 7, 3 What is the population variance?

A: The values are 2, 4, 6, 5, 7, 3.

Q: Recently, a random sample of 25-34 year olds was asked. "How much do you currently have in savings,…

A: The data in the given table represent the responses of the…

Q: In a moderately asymmetrical distribution the values of mode and mean are 32.1 and 35.4…

A: Solution:

Q: Find the mean, median, and mode for the following frequency distribution. f 3 9. 4 2 7 7 4 8 234 56

A: Solution

Q: What is the mean of the following data: 0,0, 1, 1, 1, 2, 2, 2, 3, 3

A: Given data, 0, 0, 1, 1, 1, 2, 2, 2, 3, 3

Q: Consider the data below: 17, 11, 10, 13, 1, 6, 18, 21, 8, 5 Compute the mean? Find the median?…

A:

Q: onsider a data set: 1, 2, 5, 6, 7, 6. Find the range, variance, and standard deviation for this data…

A: the given data is  x=1, 2, 5, 6, 7, 6

Q: Find the mode, mean, and standard deviation of the following data: 3, 2, 3, 4, 6

A: Given Data: Data Set: 3, 2, 3, 4, 6 There are five numbers in the given data set. So, n=5. There is…

Q: Find out the value of median from the following data : Daily wages (Rs) Number of Workers 10, 5, 7,…

A: Solution:

Q: Think of your own example of a data set that would follow a normal distribution and explain why.

A: progress report data of employees follow the normal distribution. let us consider the monthly…

Q: According to the U.S. Census, the average adult woman is the United States is 65 inches tall and the…

A: Given X is normal Distributed with mean µ = 65.0 and standard deviation σ = 3.0 Need to find Z score…

Q: Suppose that a histogram is constructed for the frequency distribution shown below.

A: Histogram is used to measure the spread of the data set. It used to visualize the continuous data…

Q: The table below shows the overtime hours of the employees during a week. Overtime hours 0 1 2 3 4 5…

A: