Use the following to answer Questions. The table includes summary of data concerning advertising expenditures and...

Use the following to answer Questions. The table includes summary of data concerning advertising expenditures and computer sales for ACME electronics.

Ad Expenditures ($1000)	Computer Sales ($1000)
2.5	6.1
3.8	4.9
3.1	5.9
2.1	6.8

What is the linear regression equation for the data?
1. Y = 8.88 – 1.03x
2. Y = 5.22 – 1.92x
3. Y = 6.85 + 1.03x
4. Y = 3.72 + 2.46x

What is the standard error of the regression model?
1. .2219
2. .3276
3. .7324
4. .9777

What is the 95% Prediction Interval upper and lower limit for an X value of 3 for an individual response Y?
1. .3245-.4653
2. 1.232-4.532
3. 4.724-6.867
4. Cannot be computed

Expert Solution

orchestra answered 1 year ago

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