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The accompanying data sets represent the annual rate of return (in percent) of eight randomly sampled bond mutual funds, and the annual rate of return (in percent) of eight randomly sampled stock mutual funds. Use the information in the table below to complete parts (a) through (d). Then complete part (e). Click the icon to view the data. (a) Determine the mean and standard deviation of each data set. The mean of the data set for bond mutual funds is (Type an integer or decimal rounded to three decimal places as needed.) The standard deviation of the data set for bond mutual funds is (Type an integer or decimal rounded to three decimal places as needed.) The mean of the data set for stock mutual funds is (Type an integer or decimal rounded to three decimal places as needed.) The standard deviation of the data set for stock mutual funds is (Type an integer or decimal rounded to three decimal places as needed.) (b) Based on only the standard deviation, which data set has more spread? Based only on the standard deviation, have more spread. (c) What proportion of the bond mutual funds are within one standard deviation of the mean? 0 *** Data table Bond mutual funds 3.4 2.1 2.6 1.8 2.0 3.6 2.9 2.2 Print Stock mutual C funds 9.6 7.8 7.6 7.4 9.3 8.6 8.3 7.1 Done - X

The accompanying data sets represent the annual rate of return (in percent) of eight randomly sampled bond mutual funds, and the annual rate of return (in percent) of eight randomly sampled stock mutual funds. Use the information in the table below to complete parts (a) through (d). Then complete part (e). Click the icon to view the data. (a) Determine the mean and standard deviation of each data set. The mean of the data set for bond mutual funds is (Type an integer or decimal rounded to three decimal places as needed.) The standard deviation of the data set for bond mutual funds is (Type an integer or decimal rounded to three decimal places as needed.) The mean of the data set for stock mutual funds is (Type an integer or decimal rounded to three decimal places as needed.) The standard deviation of the data set for stock mutual funds is (Type an integer or decimal rounded to three decimal places as needed.) (b) Based on only the standard deviation, which data set has more spread? Based only on the standard deviation, have more spread. (c) What proportion of the bond mutual funds are within one standard deviation of the mean? 0 *** Data table Bond mutual funds 3.4 2.1 2.6 1.8 2.0 3.6 2.9 2.2 Print Stock mutual C funds 9.6 7.8 7.6 7.4 9.3 8.6 8.3 7.1 Done - X

MATLAB: An Introduction with Applications
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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K The accompanying data sets represent the annual rate of return (in percent) of eight randomly sampled bond mutual funds, and the annual rate of return (in percent) of eight randomly sampled stock mutual funds. Use the information in the table below to complete parts (a) through (d). Then complete part (e). Click the icon to view the data. (a) Determine the mean and standard deviation of each data set. The mean of the data set for bond mutual funds is. (Type an integer or decimal rounded to three decimal places as needed.) The standard deviation of the data set for bond mutual funds is (Type an integer or decimal rounded to three decimal places as needed.) The mean of the data set for stock mutual funds is (Type an integer or decimal rounded to three decimal places as needed.) The standard deviation of the data set for stock mutual funds is (Type an integer or decimal rounded to three decimal places as needed.) (b) Based on only the standard deviation, which data set has more spread? Based only on the standard deviation, have more spread. (c) What proportion of the bond mutual funds are within one standard deviation of the mean? (Type an integer or decimal rounded to three decimal places as needed.) What proportion of the stock mutual funds are within one standard deviation of the mean? (Type an integer or decimal rounded to three decimal places as needed.) (d) The coefficient of variation, CV, is defined as the ratio of the standard deviation to the mean of a data set. O Q PrtScn OI Home Data table Bond mutual funds 3.4 2.1 2.6 1.8 2.0 3.6 2.9 2.2 Print End F10 Stock mutual funds 9.6 7.8 9.3 7.6 8.6 7.4 8.3 7.1 Done PgUp - X PqDn Next 1:45 PM 11/12/2022
Transcribed Image Text:K The accompanying data sets represent the annual rate of return (in percent) of eight randomly sampled bond mutual funds, and the annual rate of return (in percent) of eight randomly sampled stock mutual funds. Use the information in the table below to complete parts (a) through (d). Then complete part (e). Click the icon to view the data. (a) Determine the mean and standard deviation of each data set. The mean of the data set for bond mutual funds is. (Type an integer or decimal rounded to three decimal places as needed.) The standard deviation of the data set for bond mutual funds is (Type an integer or decimal rounded to three decimal places as needed.) The mean of the data set for stock mutual funds is (Type an integer or decimal rounded to three decimal places as needed.) The standard deviation of the data set for stock mutual funds is (Type an integer or decimal rounded to three decimal places as needed.) (b) Based on only the standard deviation, which data set has more spread? Based only on the standard deviation, have more spread. (c) What proportion of the bond mutual funds are within one standard deviation of the mean? (Type an integer or decimal rounded to three decimal places as needed.) What proportion of the stock mutual funds are within one standard deviation of the mean? (Type an integer or decimal rounded to three decimal places as needed.) (d) The coefficient of variation, CV, is defined as the ratio of the standard deviation to the mean of a data set. O Q PrtScn OI Home Data table Bond mutual funds 3.4 2.1 2.6 1.8 2.0 3.6 2.9 2.2 Print End F10 Stock mutual funds 9.6 7.8 9.3 7.6 8.6 7.4 8.3 7.1 Done PgUp - X PqDn Next 1:45 PM 11/12/2022
The accompanying data sets represent the annual rate of return (in percent) of eight randomly sampled bond mutual funds, and the annual rate of return (in percent) of eight randomly sampled stock mutual funds. Use the information in the table below to complete parts (a) through (d). Then complete part (e). Click the icon to view the data CV= (d) The coefficient of variation, CV, is defined as the ratio of the standard deviation to the mean of a data set. standard deviation mean (Type an integer or decimal rounded to three decimal places as needed.) What is the CV of the data set for stock mutual funds? The CV allows for a comparison in spread by describing the amount of spread per unit mean. Compute the CV for both data sets. What is the CV of the data set for bond mutual funds? (Type an integer or decimal rounded to three decimal places as needed.) Based on the coefficient of variation, have more spread. Height in inches 68 75 71 74 68 $ 67 72 70 Height in centimeters D 172.72 172.72 190.5 170.18 180.34 182.88 187.96 177.8 What in the mean of the data ent for haight in inchne? C - (e) In the table below, the data set on the left has the heights of students measured in inches, while the data set on the right has the same students' heights measured in centimeters. For each data set, determine the mean and the standard deviation. Draw a conclusion about the spread using the standard deviation, then find the coefficient of variation for both data sets. SOL *** O PrtScn O Home F9 End F10 Data table PgUp Bond mutual funds 3.4 2.0 2.1 3.6 2.6 2.9 1.8 2.2 Print PgDn Stock mutual C funds 9.6 7.8 7.6 7.4 9.3 8.6 4 8.3 f 7.1 Done Next 1:46 PM 11/12/2022 - X Del
Transcribed Image Text:The accompanying data sets represent the annual rate of return (in percent) of eight randomly sampled bond mutual funds, and the annual rate of return (in percent) of eight randomly sampled stock mutual funds. Use the information in the table below to complete parts (a) through (d). Then complete part (e). Click the icon to view the data CV= (d) The coefficient of variation, CV, is defined as the ratio of the standard deviation to the mean of a data set. standard deviation mean (Type an integer or decimal rounded to three decimal places as needed.) What is the CV of the data set for stock mutual funds? The CV allows for a comparison in spread by describing the amount of spread per unit mean. Compute the CV for both data sets. What is the CV of the data set for bond mutual funds? (Type an integer or decimal rounded to three decimal places as needed.) Based on the coefficient of variation, have more spread. Height in inches 68 75 71 74 68 $ 67 72 70 Height in centimeters D 172.72 172.72 190.5 170.18 180.34 182.88 187.96 177.8 What in the mean of the data ent for haight in inchne? C - (e) In the table below, the data set on the left has the heights of students measured in inches, while the data set on the right has the same students' heights measured in centimeters. For each data set, determine the mean and the standard deviation. Draw a conclusion about the spread using the standard deviation, then find the coefficient of variation for both data sets. SOL *** O PrtScn O Home F9 End F10 Data table PgUp Bond mutual funds 3.4 2.0 2.1 3.6 2.6 2.9 1.8 2.2 Print PgDn Stock mutual C funds 9.6 7.8 7.6 7.4 9.3 8.6 4 8.3 f 7.1 Done Next 1:46 PM 11/12/2022 - X Del
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