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: 802.5
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.
| 44.2 | 44.1 | 51 | 48 | 46.4 | 43.5 | 44.1 | 48 | 47.3 | 45 |
| 39.4 | 44.2 | 40.1 | 39.7 | 48.7 | 46.6 | 42.9 | 39.3 |
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.