Sixty-three college men were asked what they thought was their ideal weight. A five-number summary of the responses (in pounds) follows:
|
Median
|
175
|
|
Quartiles
|
155
|
190
|
|
Extremes
|
123
|
225
|
a. Find the value of the range for these data.
b. Find the value of the interquartile range (IQR).
c. About what percent of the men gave a response that falls in the interval 155 to 190 pounds?