Class interval (MK) 1-5000 5001-10000 10001-15000 15001-20000 20001-25000 Income midpoint, 2500.5 7500.5 12500.5 17500.5 22500.5 Frequency, f 50 35 20 10 5 xf 125025 262517.5 250010 175005 112502.5 x-x -5208,33 -208.83 4792.67 9791.67 14791.67 (x-x) 135633: 152634 45920 95876 10939

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: For this set of data, the standard deviation (s) is equal to: 9, 8, 10, 5, 5, 2, 3, 6, 3

A: Mean:The formula for finding mean is shown below:

Q: The following histogram presents the distribution of the exam scores for a group of engineering…

A: a) The probability below 130 is: 0.02+0.02+0.08+0.1+0.13+0.17+0.14+0.11=0.77=77% approximately.  So…

Q: for this set of data, the standard deviation is equal to: 9,8,10,5,5,2,3,6,3

A: Mean:The formula for finding mean is shown below:

Q: Develop the ability to picture the distribution of data in the format of a histogram or relative…

A: This question focuses on developing the ability to visualize the distribution of data in the form of…

Q: Calculate the median of data

A:

Q: Distribution of AIDS Deaths, by Age: 1982 Through 1995 305,843 Deaths Under 12 years 1% -60 years…

A: Given a pie chart that shows the deaths because of AIDS.

Q: Name two kinds of statistical data and describe them in brief.

A:

Q: Calculate the arithmetic mean of the following data 3 5 6 7 7 4 5 8 10 2 and 4 2 1 8 2 3 5 12 3 5

A: Here are three different questionsBy "Bartleby guidelines"I am solving the first question

Q: Illustration 10.7. Compute the standard deviation by the short method for the following data: 11,…

A: Data given  11,12,13,14,15,16,17,18,19,20,21

Q: Find the mean of the following data set: 55, 35, 45, 67, 12, 24, 48, 55, 58, 30 *Enter up to two…

A:

Q: Calculate the geometric mean for the following data set: 4, 36

A: For the dataset with n observations, geometric mean is defined as the nth root of the product of…

Q: Calculate the average (mean) of the data shown, to two decimal places x 29.2 4 9.9 5.9 21.4

A:

Q: find 2nd percentile for given data 12,15,6,3,7,9,8,4,14,19,18,16,13,15,14,12,15,5

A:

Q: Proportion of fatalities by location of injury for motorcycle accidents Abdomen/ Full data set…

A: Null and alternative Hypothesis H0:- The distribution of fatal injuries for riders not wearing a…

Q: The following refer to the following data set: 91.8 62.4 69.9 70.2 91.8 57.1 91.8 77.2 75.2 82.8…

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: Give definition of Cross-Sectional Data?

A: Cross-sectional data is a type of data that is gathered by analyzing the various subjects like…

Q: Determine the mean of the following ungrouped data: 200, 175, 125, 142, 150, 125, 162, 142, 175,…

A: Given data is 200, 175, 125, 142, 150, 125, 162, 142,175, 138, 209, 168, 194, 170, 158.sample…

Q: find 3rd percentile for given data 12,13,20,16,5,4,6,9,7,14,16,18,19,16,25,15,14,5

A:

Q: Find the median and mode for the data in the table below: interval frequency 0-10 10-20 20-30 4…

A:

Q: Calculate mean deviation from (i) mean and (ii) Median for the following data. Also calculate…

A: Mean deviation are easily calculated and it involve all the observations in the data set. But it is…

Q: Find the mean for the following data 5, 3, 4, 8, 1, 4 Round your answer to the nearest hundredth…

A: Solution

Q: Find the mean and median for the grouped data.

A: The mean and median are the types of average. Mean is the mathematical average and median is the…

Q: Find the mean for the given data set, 33,46,79,26,85

A: Answer: From the given data, 33,46,79,26,85 Sample size(n) = 5

Q: A car company wants to know the monthly sales made in ($000), based on the brand of vehicle. The…

A: x=109000SE=1340n=23 The critical value is 2.073873

Q: For the following data: X= [ 1 , 2, 2, 3, 3, 3, 4, 4, 4, 4, 5, 5, 5, 6, 6, 6, 7, 7, ,8 ,9] Find: A)…

A: Formula to calculate mean is, Mean=Sum of all observationsNumber of obervations Formula to calculate…

Q: calculate the coefficient of range separately for the two sets of data given below set 1…

A: Answer : From the given data, set 1 : 7,11,9,12,15,20,4,25 set 2 : 19,22,25,30,36,45,55,59 Now, The…

Q: nsider the following data representing the price of plasma televisions (in dollars). 260, 1355,…

A: Followings are the Explanation of the question

Q: Calculate coefficient of variation from the following data: 25, 27, 30, 32, 32, 40, 45, 46, 47, 48

A:

Q: What is the mean of the data set comprising the numbers 7, 8, 4, 5 and 11

A: Data set: 7, 8, 4, 5 and 11 Number of observations = 5

Q: Construct a stem-and-leaf plot of the test scores 68, 73, 85, 75, 89, 89, 87, 90, 99, 100. How does…

A: For the given observations of scores 68,73,85,75,89,89,87,90,99,100The steam and leaf plot shows the…

Q: a? stem-and-leaf plot of the test scores 67,72,85,75,89,89,87,90,98,100. How does the? stem-and-leaf…

A: Given: The data are given in this case: 67,72,85,75,89,89,87,90,98,100

Q: For the following data :- 1,20,15,12,15,15,10,12,10,2,17,60,40,20,30,25,20 A)Find the median and…

A:

Q: Identify the elements in the figure that show (a) the mean and (b) indicate a measure of variability…

A: The given figure shows the mean and variability of four Body tissues- Fin, Muscle, Blood and Plasma…

Q: Calculate the range of the following data set: 7,4,9,2,6,12,6,4,7

A: Given: Range of the following data: 7,4,9,2,6,12,6,4,7

Q: 8- What is the median of this data set? What does this number mean? 10 20 30 40 50 60 70 80 90 100…

A: Solution: Here, the box plot is given.