Nutrition: animals. The mouse weights (in grams) of a random sample of 100 mice involved in a nutrition experiment are: Interval 41.5minus43.5 43.5minus45.5 45.5minus47.5 47.5minus49.5 49.5minus51.5 Frequency 3 7 13 21 15 Interval 51.5minus53.5 53.5minus55.5 55.5minus57.5 57.5minus59.5 Frequency 17 15 7 2 Question content area bottom Part 1 a. Find the mean of the weight of the mice. 50.42 gms (Type an integer or a decimal. Round to two decimal places.) Part 2 b. Find the standard deviation of the weight of the mice. enter your response here gms (Type an integer or a decimal. Round to two decimal places.)