Question
Two intervals are given, A and B, for the same value of the explanatory variable. A: 18.5 to 20.7 ; B: 15.3 to 23.9 ;
Two intervals are given, A and B, for the same value of the explanatory variable.
| A: 18.5 to 20.7 ; | B: 15.3 to 23.9 ; |
(a) Which interval is the confidence interval for the mean response? Which interval is the prediction interval for the response? (b) What is the predicted value of the response variable for this value of the explanatory variable? The predicted value is
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Understanding Public Opinion Polls
Authors: Jelke Bethlehem
1st Edition
1498769756, 9781498769754
