You select a random sample of n equals<br/><br/><br/>=14 families

in your neighborhood and find the following family sizes​ (number of people in the​ family).

a. What is the mean family size for the​ sample?
The mean family size for the sample is
(Round to the nearest tenth as​ needed.)

b. What is the standard deviation for the​ sample?
The standard deviation for the sample is
(Round to the nearest tenth as​ needed.)

c. What is the best estimate for the mean family size for the population of all families in a​ country?
An estimate for the mean family size for the population is
​(Round to the nearest tenth as​ needed.)

d. What is the​ 95% confidence interval for the​ estimate?

? &lt; μ &lt; =?

​(Round to the nearest tenth as​ needed.)

Data table:
15, 16, 19, 18, 17 , 15, 16, 16, 15, 16, 15, 16, 17, 18