The mass of a whiffle ball varies, usually between 40 and 50 grams. You decide to gather a random sample of whiffle balls and record the mass of each. Your data is displayed in the table below. (Units are grams.)
Checksum: 813.4
You would like to describe a "typical" whiffle ball from your data set. You decide to make several calculations describing the "center" of the data set.
Find the following:
a) mean
b) median
c) midrange
d) 10% trimmed mean
e) Which measure of center do you think best describes this data set. Briefly explain your choice.
| 42 | 46.1 | 48.2 | 46.9 | 39.4 | 46 | 43.3 | 48.7 | 47.3 | 40.9 |
| 42.7 | 42.7 | 49.8 | 46.2 | 47.4 | 46.8 | 44 | 45 |
You would like to describe a "typical" whiffle ball from your data set. You decide to make several calculations describing the "center" of the data set.
Find the following:
a) mean
b) median
c) midrange
d) 10% trimmed mean
e) Which measure of center do you think best describes this data set. Briefly explain your choice.