2. We performed a linear regression using 25 observations. From the regression output we find that bo = 5.7, bị = 12.9, 7 = 11.4, s, = 3.2 and M SE = 12.25. a. From the least squares line, what is the predicted response when x* = 10.65? b. What is the 95% confidence interval for the mean response when x* = 10.65? c. What is the 95% prediction interval for an individual response when x* = 10.65? d. Which interval is wider? The confidence interval or the prediction interval? O a. Confidence Interval Ob. Prediction Interval

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2. We performed a linear regression using 25 observations. From the regression output we find that bo = 5.7, bị = 12.9, x = 11.4,
Sz = 3.2 and MSE = 12.25.
a. From the least squares line, what is the predicted response when x* = 10.65?
y =
b. What is the 95% confidence interval for the mean response when x* = 10.65?
c. What is the 95% prediction interval for an individual response when x* = 10.65?
d. Which interval is wider? The confidence interval or the prediction interval?
O a. Confidence Interval
b. Prediction Interval
Transcribed Image Text:2. We performed a linear regression using 25 observations. From the regression output we find that bo = 5.7, bị = 12.9, x = 11.4, Sz = 3.2 and MSE = 12.25. a. From the least squares line, what is the predicted response when x* = 10.65? y = b. What is the 95% confidence interval for the mean response when x* = 10.65? c. What is the 95% prediction interval for an individual response when x* = 10.65? d. Which interval is wider? The confidence interval or the prediction interval? O a. Confidence Interval b. Prediction Interval
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