For each of the following, decide whether the proper inference is a prediction interval for y or a confidence interval for E(v) : (a) A jeweler wants to predict the selling price of a diamond stone on the basis of its size (number of carats).   (b) A psychologist wants to estimate the average IQ of all patients who have a certain income level.

MATLAB: An Introduction with Applications
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ISBN:9781119256830
Author:Amos Gilat
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Chapter1: Starting With Matlab
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For each of the following, decide whether the proper inference is a prediction interval for

y

or a confidence interval for

E(v)

: (a) A jeweler wants to predict the selling price of a diamond stone on the basis of its size (number of carats).

 

(b) A psychologist wants to estimate the average IQ of all patients who have a certain income level.

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