A sample of 100 adult women was taken, and each was asked how many children she had. The results were as follows: Children 0 1 2 3 4 5 Number of Women 27 22 30 12 7 2 a. Find the sample mean number of children. b. Find the sample standard deviation of the number of children. c. Find the sample median of the number of children. d. What is the first quartile of the number of children? e. What proportion of the women had more than the mean number of children? f. For what proportion of the women was the num- ber of children more than one standard deviation greater than the mean? g. For what proportion of the women was the num- ber of children within one standard deviation of the mean?
A sample of 100 adult women was taken, and each was asked how many children she had. The results were as follows: Children 0 1 2 3 4 5 Number of Women 27 22 30 12 7 2 a. Find the sample mean number of children. b. Find the sample standard deviation of the number of children. c. Find the sample median of the number of children. d. What is the first quartile of the number of children? e. What proportion of the women had more than the mean number of children? f. For what proportion of the women was the num- ber of children more than one standard deviation greater than the mean? g. For what proportion of the women was the num- ber of children within one standard deviation of the mean?
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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Transcribed Image Text:A sample of 100 adult women was taken, and each was
asked how many children she had. The results were as
follows:
Children 0 1 2 3 4 5
Number of Women 27 22 30 12 7 2
a. Find the sample mean number of children.
b. Find the sample standard deviation of the number
of children.
c. Find the sample median of the number of children.
d. What is the first quartile of the number of children?
e. What proportion of the women had more than the
mean number of children?
f. For what proportion of the women was the num-
ber of children more than one standard deviation
greater than the mean?
g. For what proportion of the women was the num-
ber of children within one standard deviation of
the mean?
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