The chart represents the number of grams of fat in a sample of 14 randomly selected sandwiches served at a local restaurant.
Stem Leaf
1 6 9
2 4 6 7 8
3 6
4 0 2 3 3 8
5 9
6 7
Stem: tens Leaf: ones
Find the following statistics:
a) =
b) IQR =
c) Is or the appropriate measure of standard deviation? Explain why.

d) What is the standard deviation? Be sure to report this number using the proper symbol.

e) In context, interpret the standard deviation value in part d).