Managerial Statistics; Fit a regression line and find the Glucose level when the age is 70
October 14, 2020
Essayheroes
-
From the following information:
Age
|
53
|
51
|
55
|
42
|
47
|
49
|
55
|
38
|
30
|
Glucose Level
|
79
|
75
|
69
|
55
|
97
|
61
|
86
|
41
|
20
|
-
Fit a regression line and find the Glucose level when the age is 70
-
Find the value of the Karl Pearson’s correlation coefficient and comment on the result.
-
The local ice cream shop keeps track of how much ice cream they sell and the temperature on that day, here are their figures for the last 12 days:
Temperature °C
|
24°
|
16°
|
21°
|
25°
|
28°
|
22°
|
19°
|
25°
|
23°
|
18°
|
22°
|
17°
|
Ice Cream Sales
|
25
|
15
|
25
|
35
|
16
|
12
|
22
|
24
|
14
|
31
|
30
|
08
|
Find Spearman Rank correlation from the above information and comment on the correlation between temperature and ice-cream sales.