Mathematics, 18.01.2020 03:31, maytce7237
Asample of 100 adult women was taken, and each was asked how many children she had. the results were as follows:
0 children = 27 women
1 child = 22 women
2 children = 30 women
3 children = 12 women
4 children = 7 women
5 chuldren = 2 women
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 women had more then the mean number of children?
f. for what proportion of the women was the number of children more than one standard deviation greater than the mean?
g. for what proportion of the women was the number of children within one standrd deviation of the mean?
Answers: 1
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