Question

Consider the relationship between the number of bids an item on eBay received and the item's selling price. The following is a sample of 55 items sold through an auction.

Price in Dollars	31	36	43	47	48
Number of Bids	2	6	7	9	10

Step 1 of 5:

Calculate the sum of squared errors (SSE). Use the values b0=−10.0592 and b1=0.4112 for the calculations. Round your answer to three decimal places.

Step 2 of 5:

Calculate the estimated variance of errors, s2e. Round your answer to three decimal places.

Step 3 of 5:

Calculate the estimated variance of slope, s2b1. Round your answer to three decimal places.

Step 4 of 5:

Construct the 90% confidence interval for the slope. Round your answers to three decimal places.

...lower endpoint...upper endpoint

Step 5 of 5:

Construct the 98% confidence interval for the slope. Round your answers to three decimal places.

...lower endpoint...upper endpoint

Answer 1