Federal Government Employee E-mall Use It has been reported that 82% of federal government employees use e-mail. If a sample of 240 federalgovernment employees is selected, find the mean, variance, and standard deviation of the number who use e-mail. Round your answers to three decimal places.Part 1 of 2(a) Find the mean.Mean: u=Part: 1/2Part 2 of 2(b) Find the variance and standard deviation.Variance: oStandard deviation: aCoulinueSihmit Assie

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Answered: Federal Government Employee E-mall Use…

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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DESCRIPTIVE STATISTICS: The scores of a test for an engincering class of 10 students is shown here. Scores: 57, 94, 81, 77, 66, 97, 62, 86, 77,87 Consider ungrouped data: What is the mean, median. mode. variance and standard deviation?
step by step please
TOPIC : MEASURES OF DISPERSION Please use your group data to formulate these following items. 1. Range, its meaning, and the formula. 2. Mean Deviation, its meaning, and the formula. 3. Standard Deviation, its meaning, and the formula. 4. Variance, its meaning and the formula. Picture below is the group data:
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.)
Compare the population variance to the mean of the sample variances. Choose the correct answer below. A. The population variance is equal to the square root of the mean of the sample variances. B. The population variance is equal to the mean of the sample variances. C. The population variance is equal to the square of the mean of the sample variances.
The numbers of regular season wins for 10 football teams in a given season are given below. Determine the range, mean, variance, and standard deviation of the population data set. 2, 7, 15, 5, 14, 10, 12, 8, 3, 9 The range is 1313. (Simplify your answer.) The population mean is . (Simplify your answer. Round to the nearest tenth as needed.) The population variance is nothing. (Simplify your answer. Round to the nearest tenth as needed.) The population standard deviation is nothing. (Simplify your answer. Round to the nearest tenth as needed.)
We have provided simple data sets for you to practice the basics of finding a a. population mean. b. population standard deviation. 4, 2, 0, 2, 2
Find the range, the standard deviation, and the variance for the given sample. Round non-integer results to the nearest tenth. 3, 4, 4, 5, 5, 6, 15 range standard deviation variance
Use the magnitudes (Richter scale) of the 120 earthquakes listed in the accompanying data table. Use technology to find the range, variance, and standard deviation. If another value, 8.00, is added to those listed in the data set, do the measures of variation change much? 3.30 2.77 2.80 1.96 1.69 2.54 2.43 3.44 3.92 1.58 2.87 1.63 2.56 3.95 2.50 2.44 1.82 2.19 2.44 2.99 2.92 2.35 1.98 3.06 2.78 3.86 2.95 2.07 1.86 2.36 2.37 3.46 3.45 1.54 2.54 1.49 2.22 3.06 2.27 3.20 1.96 1.91 2.40 2.95 2.61 1.49 2.16 2.33 1.91 2.70 2.92 1.80 3.66 2.69 1.43 3.60 3.13 2.56 1.54 1.41 2.83 2.85 2.20 1.68 3.18 1.38 1.73 2.37 1.15 2.35 2.46 1.81 2.01 3.00 1.94 2.42 1.85 2.24 2.35 3.22 3.97 2.10 1.48 2.31 2.31 2.62 2.55 2.20 2.77 2.46 2.69 3.57 2.84 2.75 3.26 1.74 4.72 3.23 2.36 2.00 3.83 2.41 2.88 2.67 2.32 2.80 2.80 2.40 3.41 2.34 1.49 2.41 2.45 2.50 2.73 2.44 2.78 2.65 2.68 2.43 Without the extra data value, the range is 3.573.57. (Type an integer or…
The 2004 Cincinnati Bengals scored 24, 16, 9, 17, 17, 23, 20, 26, 17, 14, 58, 27, and 28 points in their first 13 games. 2. Find the mean and the standard deviation of 3. Remove the lowest score from the data set. the data. Then find the mean and standard deviation of the new data. 4. How do the standard deviation and mean change when you remove the lowest number? Why do you think this is?
The numbers of regular season wins for 10 football teams in a given season are given below. Determine the range, mean, variance, and standard deviation of the population data set 2,6, 15. 3, 12, 10, 11, 8, 5.9 The range is 13 (Simplify your answer) The population mean is 8.1 (Simplify your answer. Round to the nearest tenth as needed) The population variance is (Simplify your answer. Round to the nearest tenth as needed) CETTE
Scores of 5 adults include: 18,15,20,22,25 What's the range? Please caculate the variance and standard deviation of the sample

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