Range and VarianceFind the range and the sample variance of the following data lists.1. 2 4 3 0252. 3 5 -2 48For3. 6 8 0 -1 -4 675233mode320

The range of a data set is the difference between the largest and smallest values. It is calculated…

Answered: Range and Variance Find the range and…

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

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he ages (in years) of a random sample of shoppers at a gaming store are shown. Determine the range, mean, variance, and standard deviation of the sample data set. 12, 15, 23, 13, 15, 18, 20, 18, 15, 15
Solution and working
The ages (in years) of a random sample of shoppers at a gaming store are shown. Determine the range, mean, variance, and standard deviation of the sample data set. 12, 19, 23, 14, 20, 17, 22, 16, 14, 18 0 The range is (Simplify your answer.) The mean is (Simplify your answer. Round to the nearest tenth as needed.) The variance is (Simplify your answer. Round to the nearest tenth as needed.) The standard deviation is (Simplify your answer. Round to the nearest tenth as needed.)
49
Find the mean, the median, and the mode(s), if any, for the given data. Round noninteger means to the nearest tenth. (If there is more than one mode, enter your answer as a comma-separated list. If an answer does not exist, enter DNE.) 39, 30, 6, 25, 9, 21, 28, 10 mean median
Find the mean, the median, and the mode(s), if any, for the given data. Round noninteger means to the nearest tenth. (If there is more than one mode, enter your answer as a comma-separated list. If an answer does not exist, enter DNE.) 27, 31, 20, 46, 36, 6, 55, 11 mean median mode(s)
Consider the following data: 5,−5,5,−5,−5,14,55,−5,5,−5,−5,14,5 Copy Data Step 1 of 3 : Calculate the value of the sample variance. Round your answer to one decimal place.
The ages (in years) of a random sample of shoppers at a gaming store are shown. Determine the range, mean, variance, and standard deviation of the sample data set. 12, 19, 23, 14, 16, 16, 22, 16, 15, 19 The range is (Simplify your answer.) The mean is (Simplify your answer. Round to the nearest tenth as needed.) The variance is (Simplify your answer. Round to the nearest tenth as needed.) The standard deviation is (Simplify your answer. Round to the nearest tenth as needed.)
None
A store manager is lòoking at past jewelry sales to determine what sizes of rings to keep in stock. The list shows the ring sizes purchased by the last ten jewelry What is the variance of the data set? Round to the nearest hundredths. customers. 0.40 O 0.72 9, 7, 6.5, 7.5, 7, 8, 5, 6, 7.5, 8 O 1.15 O 2.14
Find the sample variances of the data sets A and B given below. A:3, 4, 6,7, 10 B:-20, 5, 15, 24
Sample grade point averages for ten male students and ten female students are listed. Find the coefficient of variation for each of the two data sets. Then compare the results. Males 2.3 3.8 3.9 3.7 2.6 2.4 3.6 3.2 3.9 1.8 Females 2.7 3.6 2.2 3.9 3.7 4.2 1.9 3.9 3.6 2.1 ... The coefficient of variation for males is %. (Round to one decimal place as needed.) The coefficient of variation for females is %. (Round to one decimal place as needed.) Compare the variability of grade point averages of males and females. Choose the correct answer below. O A. The grade point averages of females and males have the same variation. O B. The grade point averages of males are more variable than females. O C. The grade point averages of females and males do not vary. O D. The grade point averages of females are more variable than males.

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Range and Variance Find the range and the sample variance of the following data lists. 1. 2 4 3 025 2. 3 5 -2 48 For 3. 6 8 0 -1 -4 675 233 mode 320