The coefficient of variation CV describes the standard deviation as a percent of the mean. Because it has no units, you can use the coefficient of variation to compare data with different units. Find the coefficient of variation for each sample data set. What can you conclude? Standard deviation 100% Mean E Click the icon to view the data sets. Data table CVneights -D% (Round to the nearest tenth as needed.) Heights Weights CVweights =% (Round to the nearest tenth as needed) 79 214 65 186 What can you conclude? 71 171 80 206 O A. Height is more variable than weight. 72 203 O B. Weight is more variable than height. 66 214 200 74 208 228 208 207 70 69 67 78 73 226 203

The ages (in years) and helghts (in inches) of all pitchers for a beseball team are listed. Find the coefficient of variation for each of the two data sets. Then compare the results. -Click the Icon to view the data sets. CV. %D Round to one decimal place as needed.)

Data Table for Wins and Losses The accompanying table shows data for the number of wins and losses in the Major League for 2017. Complete parts a and b below. E Click the icon to view the data table. Team Wins (ESPN) Losses (ESPN) Arizona Diamondbacks 93 69 a. Find the percentile rank for the wins by the San Diego Padres. Atlanta Braves 72 90 Baltimore Orioles 75 87 The percentile rank for the wins by the San Diego Padres is. (Round to one decimal place as needed.) Boston Red Sox Chicago Cubs Chicago White Sox 93 69 92 70 b. Find the percentile rank for the losses by the Pittsburgh Pirates. 67 95 Cincinnati Reds 68 94 The percentile rank for the losses by the Pittsburgh Pirates is Cleveland Indians 102 60 (Round to one decimal place as needed.) Colorado Rockies 87 75 Detroit Tigers 64 98 Houston Astros 101 61 Kansas City Royals Los Angeles Angels Los Angeles Dodgers 80 82 80 82 104 58 Miami Marlins 77 85 Milwaukee Brewers 86 76 Minnesota Twins 85 77 New York Mets 70 92 New York Yankees…

What value corresponds to the  30th  percentile?

Find the mean, mode, and median

Dr. Seboo has collected the total cholesterol levels of all his patients. He is trying to figure what the typical cholesterol level falls. Use the following output to answer the questions. a. What variable was recorded in the data collected? Classify the variable as categorical or quantitative.Variable: ______________________ Circle one:  Categorical or Quantitativeb. Describe the shape of the above distribution:c. The average cholesterol level was _______________, and 50% of this sample cholesterol levels was ________________ or more. The minimum cholesterol level was _______________, while the maximum number cholesterol level was _________________. The middle 50% of cholesterol levels in this sample were between ______________ and ______________. According to _____________________________ Rule, we expect ________% of the cholesterol levels to be between ________________ and _______________ (two standard deviations from the mean).d. Construct a 95% confidence interval for the mean…

A simple data set has been provided to practice the basics of finding measures of variation. 2, 4, 8, 8 For the data​ set, determine the range and the sample standard deviation.

Earnings of Nonliving Celebrities Forbes magazine prints an annual Top-Earning Nonliving Celebrities list (based on royalties and estate earnings). Find the mean, median, mode, and midrange for the data. Comment on the skewness. Figures represent millions of dollars. Rodgers & Hammerstein 235 John Lennon 15 Michael Jackson 90 Dr. Seuss 15 Elvis Presley 55 Albert Einstein 10 JRR Tolkien 50 Michael Crichton 9. Charles Schulz 35 Jimi Hendrix 8 Send data to Excel Part: 0 / 5 Part 1 of 5 Find the mean. Rounding rule for the mean: round to one more decimal place than the data as needed. Mean:

The scores and their percent of the final grade for a statistics student are given. What is the student's weighted mean score? The student's weighted mean score is. (Simplify your answer. Round to two decimal places as needed.) Homework Quiz Quiz Project Final Exam Score Percent of final grade 85 90 90 98 89 15 10 10 35 30

We have provided simple data sets for you to practice the basics of finding a a. population mean. b. population standard deviation. 3, 5, 7