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In order for a prediction interval for y or a confidence interval for Hyjx to be valid, which of the following must hold? a. The true relationship between the predictor variable x and the response variable y must be close to linear. b. The variability of the x-values must be about the same at each fixed y value. c. The variability of the y-values must be about the same at each fixed x value. d. The variability of the x-values and the y-values must be about the same. Select one answer A (c) and (d) must hold B (a) and (b) must hold (b) and (d) must hold D (a) and (c) must hold

In order for a prediction interval for y or a confidence interval for Hyjx to be valid, which of the following must hold? a. The true relationship between the predictor variable x and the response variable y must be close to linear. b. The variability of the x-values must be about the same at each fixed y value. c. The variability of the y-values must be about the same at each fixed x value. d. The variability of the x-values and the y-values must be about the same. Select one answer A (c) and (d) must hold B (a) and (b) must hold (b) and (d) must hold D (a) and (c) must hold

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter4: Equations Of Linear Functions
Section: Chapter Questions
Problem 8SGR
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In order for a prediction interval for y or a confidence interval for Hyx to be valid, which of the following must hold? a. The true relationship between the predictor variable x and the response variable y must be close to linear. b. The variability of the x-values must be about the same at each fixed y value. c. The variability of the y-values must be about the same at each fixed x value. d. The variability of the x-values and the y-values must be about the same. Select one answer A (c) and (d) must hold B (a) and (b) must hold (b) and (d) must hold D) (a) and (c) must hold
Transcribed Image Text:In order for a prediction interval for y or a confidence interval for Hyx to be valid, which of the following must hold? a. The true relationship between the predictor variable x and the response variable y must be close to linear. b. The variability of the x-values must be about the same at each fixed y value. c. The variability of the y-values must be about the same at each fixed x value. d. The variability of the x-values and the y-values must be about the same. Select one answer A (c) and (d) must hold B (a) and (b) must hold (b) and (d) must hold D) (a) and (c) must hold
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