Use the data set and the MINITAB output below to answer the question. (Use the exact values found in the MINITAB output.) x123456

y 5.5 4.7 4.4 3.6 3.1 2.6

Prediction for y Settings

Variable Setting x3 x9

Prediction

Fit SE Fit

4.2705 0.0507

95.0% CI (4.1298, 4.4112) (0.3694, 1.2801)

95.0% PI (3.9111, 4.6299)

0.8248 0.1640

(0.2620, 1.3875) X X denotes an unusual point relative to predictor levels used to fit the model.

Find a 95% confidence interval for the average value of y when x = 3. (Round your answers to four decimal places.)

Use the data set and the MINITAB output below to answer the question. (Use the exact values found in the MINITAB output.) X 1 2 3 4 5 6 y 5.5 4.7 4.4 3.6 3.1 2.6 Prediction for y Settings Variable Setting X X 9 Prediction Fit SE Fit 95.0% CI 95. 0% PI 4. 2705 0 . 0507 (4 . 1298, 4. 4112) (3. 9111, 4. 6299) 0. 8248 0. 1640 (0. 3694, 1. 2801) (0.2620, 1. 3875) X X denotes an unusual point relative to predictor levels used to fit the model. Find a 95% confidence interval for the average value of y when x = 3. (Round your answers to four decimal places.) to