Answered: . What is the standard deviation of the…

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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6. A. 1. Illustrate the mean or expected value. 2. Illustrate the variance and standard deviation. II III 3 4 5. 6 7 8 10 11 12 13 14
calculate the standard deviation for the following sample data 2,4,5,5,7,8,9,10,11,12
1. Listed below are the top 10 annual salaries (in millions of dollars) of TV personalities. Find the range, variance, and standard deviation for the sample data. Given that these are the top 10 salaries, do we know anything about the variation of salaries of TV personalities in general? 40 38 36 28 20 16 14 11 10.7 9.3 2. Listed below are the amounts (dollars) it costs for marriage proposal packages at different baseball stadiums. Find therange, variance, and standard deviation for the given sample data. Include appropriate units in the results. Are there anyoutliers, and are they likely to have much of an effect on the measures of variation? 39 45 45 60 65 90 90 135 175 206 250 325 400 2000 2750
1. A population of 5 students in Music gave the following information (in hours) about the length of practicing instruments per week. 9 7 12 10 7 Compute the population mean, variance and standard deviation.
4. What is the standard deviation of the data {7, 1, 7, 10, 5, 3, 2}? 5.0 2.7 3.0 9.0
39
2. 60 matches were played in a football tournament. The table to the right shows the number of goals scored in all matches. Number of Goals 1 3 4 5 Number of Matches 18 20 3 a. Find the median number of goals scored per match. b. Find the mean number of goals scored per match. c. Calculate the standard deviation of the goals scored per match.
Which of the data sets shown below has the smallest standard deviation? 0, 1, 2, 3, 4, 5, 6 0, 0, 0, 100, 500, 500, 500 0, 25, 50, 100, 125, 500, 1000 |0, 1, 5, 5, 5, 5, 6 What is the value for the IQR of the data shown in the boxplot below? 1 2 3 9 10 11 12 13 14 7 8 data 4 5
3. What are the mean, median, and sample standard deviation of the following numbers? 10 3 6 -2 1
Find the mean, median, mode, range, variance and standard deviation of the following sample data and then interpret the answer. Show the complete solution.
A. What is the mean, median and mode? Separate answers with a single comma, i.e. 3.000,3.000,3.000 b. What is the standard deviation and sample variance? separate answers with a comma, i.e. 3.000,9.000 c.What is the largest value, smallest value and the sum of values? Separate answers with a comma, i.e. 4.543,11.345,46.000
2???

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. What is the standard deviation of the following set of sample data? 18 7 9 7 18 17 2.1 2.3 5.5 5.1