Question

Nutrition: animals. The mouse weights​ (in grams) of a random sample of 100 mice involved in a nutrition experiment​ are:

Interval	41.5−43.5	43.5−45.5	45.5−47.5	47.5−49.5	49.5−51.5
Frequency	3	5	11	24	16

Interval	51.5−53.5	53.5−55.5	55.5−57.5	57.5−59.5
Frequency	17	15	7	2

a. Find the mean of the weight of the mice.

__gms

​(Type an integer or a decimal. Round to two decimal​ places.)

b. Find the standard deviation of the weight of the mice.

Answer 1