Question 4 options: Cola Consumption The following data were taken from a study
ID: 2923210 • Letter: Q
Question
Question 4 options:
Cola Consumption
The following data were taken from a study relating the Days High Temperature to the Average Amount of Cola Consumed (per capita) in a small mid-western town.
Observation
Days High Temperature
Average Ounces of Cola Consumed
1
79
115
2
91
139
3
92
139
4
98
147
5
71
97
6
91
126
7
103
163
8
94
132
9
77
123
10
69
101
11
80
96
12
58
76
13
67
116
14
91
118
15
75
124
16
59
84
17
66
100
18
103
140
19
80
115
20
90
149
Given the 20 Observations above, use a Regression Tool like DATA ANALYSIS in Excel and find each of the following:
Slope of Regression Equation =
Y Intercept for the Regression Equation =
Correlation Coefficient =
Coefficient of Determination =
Using your Regression Equation, Predict Cola Consuption when the High Temperature = 23:
ColaConsumption (23)=
Observation
Days High Temperature
Average Ounces of Cola Consumed
1
79
115
2
91
139
3
92
139
4
98
147
5
71
97
6
91
126
7
103
163
8
94
132
9
77
123
10
69
101
11
80
96
12
58
76
13
67
116
14
91
118
15
75
124
16
59
84
17
66
100
18
103
140
19
80
115
20
90
149
Explanation / Answer
I will be rounding off all the values to 4 decimal places. By using regression tool, the required values are:
Slope = 1.4564
Y - Intercept = 1.0116
Correlation coefficient = 0.8842
Coefficient of determination = 0.7818
For x = 23,
y = 1.0116 + 1.4564(23) = 34.5088
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