Peanut butter problem: Calculation of Inter Quartile Range IQR.
The cost of one serving of peanut butter (in cents) for a random sample of 19 jars of peanut butter was found to be:
|
22
|
27
|
|
32
|
26
|
|
26
|
19
|
|
16
|
26
|
|
14
|
21
|
|
20
|
21
|
|
20
|
17
|
|
12
|
32
|
|
17
|
9
|
|
16
|
|
a) Give the five-number summary ( low, q1, median, Q3, high).
b) Compute the IQR