Here are some data from a random sample on x and y x 0 0 1 2

Here are some data, from a random sample, on x and y:

x: 0 0 1 2 2 3 4 4

y: 10 8 7 4 6 3 0 2

e. Give a 90% prediction interval for a new observation on Y, if X = 4

f. For the inferences above, what assumptions are we making, and how would you check these assumptions?

Here are some data, from a random sample, on x and y: x: 0 0 1 2 2 3 4 4 y: 10 8 7 4 6 3 0 2 Some calculations: e. Give a 90% prediction interval for a new observation on Y, if X = 4 f. For the inferences above, what assumptions are we making, and how would you check these assumptions?

Solution

Here are some data, from a random sample, on x and y:

x: 0 0 1 2 2 3 4 4

y: 10 8 7 4 6 3 0 2

e. Give a 90% prediction interval for a new observation on Y, if X = 4

Excel output

Regression Analysis

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Regression Analysis
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