Answer:
64
58.5°
Step-by-step explanation:
Given the data:
22, 31, 64, 64, 42, 81, 79, 71, 79, 79, 52, 38
Rearranged data: 22, 31, 38, 42, 52, 64, 64, 71, 79, 79, 79, 81
The median temperature will be :
1/2(n + 1)th term.
n = 12 (number of samples)
0.5 * (12 + 1)th
= 0.5 (13th)
= 6.5 th term
(6th + 7th term) / 2 = (64 + 64) / 2 = 64
The middle temperature value is 80°F
The mean temperature value :
ΣX /n
= sum(22, 31, 38, 42, 52, 64, 64, 71, 79, 79, 79, 81) / 12
= 702 / 12
= 58.5° F