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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.)

MATLAB: An Introduction with Applications
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
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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.)
 
 
 
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-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
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
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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