The president of Blitz Sales Enterprises sells kitchen products through cable television infomercials. He gathered data from the last 15 weeks of sales to determine the relationship between sales and the number of infomercials. Infomercials Sales ($000s) 20 3.2 15 2.6 25 3.4 10 1.8 18 2.2 18 2.4 15 2.4 12 1.5 22 2.5 15 2.4 25 3.0 16 2.7 12 2.0 20 2.6 25 2.8 a-2. Complete the table given below. (Round t values to 2 decimal places, p values to 4 decimal places and other values to 3 decimal places.) a-3. Find the Standard error and R2 value. (Round S to 3 decimal places and R2 to 1 decimal place. Omit the "%" sign in your response.) a-4. Complete the ANOVA table given below. (Round F to 2 decimal places, p-value to 4 decimal places and other values to 3 decimal places.)
The president of Blitz Sales Enterprises sells kitchen products through cable television infomercials. He gathered data from the last 15 weeks of sales to determine the relationship between sales and the number of infomercials. Infomercials Sales ($000s) 20 3.2 15 2.6 25 3.4 10 1.8 18 2.2 18 2.4 15 2.4 12 1.5 22 2.5 15 2.4 25 3.0 16 2.7 12 2.0 20 2.6 25 2.8 a-2. Complete the table given below. (Round t values to 2 decimal places, p values to 4 decimal places and other values to 3 decimal places.) a-3. Find the Standard error and R2 value. (Round S to 3 decimal places and R2 to 1 decimal place. Omit the "%" sign in your response.) a-4. Complete the ANOVA table given below. (Round F to 2 decimal places, p-value to 4 decimal places and other values to 3 decimal places.)
Holt Mcdougal Larson Pre-algebra: Student Edition 2012
1st Edition
ISBN:9780547587776
Author:HOLT MCDOUGAL
Publisher:HOLT MCDOUGAL
Chapter1: Variables, Expressions, And Integers
Section1.5: Adding Integers
Problem 45E
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Question
The president of Blitz Sales Enterprises sells kitchen products through cable television infomercials. He gathered data from the last 15 weeks of sales to determine the relationship between sales and the number of infomercials.
| Infomercials | Sales ($000s) |
| 20 | 3.2 |
| 15 | 2.6 |
| 25 | 3.4 |
| 10 | 1.8 |
| 18 | 2.2 |
| 18 | 2.4 |
| 15 | 2.4 |
| 12 | 1.5 |
| 22 | 2.5 |
| 15 | 2.4 |
| 25 | 3.0 |
| 16 | 2.7 |
| 12 | 2.0 |
| 20 | 2.6 |
| 25 | 2.8 |
a-2. Complete the table given below. (Round t values to 2 decimal places, p values to 4 decimal places and other values to 3 decimal places.)
a-3. Find the Standard error and R2 value. (Round S to 3 decimal places and R2 to 1 decimal place. Omit the "%" sign in your response.)
a-4. Complete the ANOVA table given below. (Round F to 2 decimal places, p-value to 4 decimal places and other values to 3 decimal places.)
Transcribed Image Text:a-2. Complete the table given below. (Round t values to 2 decimal places, p values to 4 decimal places and other
values to 3 decimal places.)
Predictor
Coefficient
SE Coefficient
p-value
Constant
1.019
0.311
3.28
0.0060
Infomercials
0.083
0.017
4.94
0.0000
a-3. Find the Standard error and R value. (Round Sto 3 decimal places and R to 1 decimal place. Omit the "%"
sign in your response.)
R2
Transcribed Image Text:a-4. Complete the ANOVA table given below. (Round Fto 2 decimal places, p-value to 4 decimal places and other
values to 3 decimal places.)
X Answer is complete but not entirely correct.
Source
DF
SS
MS
F
p-value
Regression
1
2.321
2.321
24.36
0.0000 X
Residual Error
13
1.239
0.095
Total
14
3.560
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