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A sample of 548 ethnically diverse students from Massachusetts were followed over a 19-month period from 1995 and 1997 a study of the relationship between TV viewing and eating habits. 1 For each additional hour of television viewed per day, the number of fruit and vegetable servings per day was found to decrease on average by 0.14 serving (a) For this study, what is the dependent variable? O location of students O number of fruit and vegetable servings per day O number of non fruit or vegetable servings per day O number of hours of television viewed per day O year What is the independent variable? O location of students O number of fruit and vegetable servings per day O number of non fruit or vegetable servings per day O number of hours of television viewed per day O year (b) Would the least-squares line for predicting number of servings of fruits and vegetables using number of hours spent watching TV as a predictor have a positive or negative slope? Explain. The slope of the least squares line would be negative. As the number of hours of TV watched per day increases, the number of fruit and vegetable servings per day decreases on average. O The slope of the least squares line would be negative. As the number of hours of TV watched per day increases, the number of fruit and vegetable servings per day increases on average. The slope of the least squares line would be positive. As the number of hours of TV watched per day increases, the number of fruit and vegetable servings per day decreases on average. O The slope of the least squares line would be positive. As the number of hours of TV watched per day increases, the number of fruit and vegetable servings per day increases on average.

A sample of 548 ethnically diverse students from Massachusetts were followed over a 19-month period from 1995 and 1997 a study of the relationship between TV viewing and eating habits. 1 For each additional hour of television viewed per day, the number of fruit and vegetable servings per day was found to decrease on average by 0.14 serving (a) For this study, what is the dependent variable? O location of students O number of fruit and vegetable servings per day O number of non fruit or vegetable servings per day O number of hours of television viewed per day O year What is the independent variable? O location of students O number of fruit and vegetable servings per day O number of non fruit or vegetable servings per day O number of hours of television viewed per day O year (b) Would the least-squares line for predicting number of servings of fruits and vegetables using number of hours spent watching TV as a predictor have a positive or negative slope? Explain. The slope of the least squares line would be negative. As the number of hours of TV watched per day increases, the number of fruit and vegetable servings per day decreases on average. O The slope of the least squares line would be negative. As the number of hours of TV watched per day increases, the number of fruit and vegetable servings per day increases on average. The slope of the least squares line would be positive. As the number of hours of TV watched per day increases, the number of fruit and vegetable servings per day decreases on average. O The slope of the least squares line would be positive. As the number of hours of TV watched per day increases, the number of fruit and vegetable servings per day increases on average.

MATLAB: An Introduction with Applications
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
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A sample of 548 ethnically diverse students from Massachusetts were followed over a 19-month period from 1995 and 1997 in a study of the relationship between TV viewing and eating habits. For each additional hour of television viewed per day, the number of fruit and vegetable servings per day was found to decrease on average by 0.14 serving. (a) For this study, what is the dependent variable? O location of students O number of fruit and vegetable servings per day O number of non fruit or vegetable servings per day O number of hours of television viewed per day year What is the independent variable? O location of students O number of fruit and vegetable servings per day O number of non fruit or vegetable servings per day O number of hours of television viewed per day O year (b) Would the least-squares line for predicting number of servings of fruits and vegetables using number of hours spent watching TV as a predictor have a positive or negative slope? Explain. O The slope of the least squares line would be negative. As the number of hours of TV watched per day increases, the number of fruit and vegetable servings per day decreases on average. O The slope of the least squares line would be negative. As the number of hours of TV watched per day increases, the number of fruit and vegetable servings per day increases on average. O The slope of the least squares line would be positive. As the number of hours of TV watched per day increases, the number of fruit and vegetable servings per day decreases on average. O The slope of the least squares line would be positive. As the number of hours of TV watched per day increases, the number of fruit and vegetable servings per day increases on average.
Transcribed Image Text:A sample of 548 ethnically diverse students from Massachusetts were followed over a 19-month period from 1995 and 1997 in a study of the relationship between TV viewing and eating habits. For each additional hour of television viewed per day, the number of fruit and vegetable servings per day was found to decrease on average by 0.14 serving. (a) For this study, what is the dependent variable? O location of students O number of fruit and vegetable servings per day O number of non fruit or vegetable servings per day O number of hours of television viewed per day year What is the independent variable? O location of students O number of fruit and vegetable servings per day O number of non fruit or vegetable servings per day O number of hours of television viewed per day O year (b) Would the least-squares line for predicting number of servings of fruits and vegetables using number of hours spent watching TV as a predictor have a positive or negative slope? Explain. O The slope of the least squares line would be negative. As the number of hours of TV watched per day increases, the number of fruit and vegetable servings per day decreases on average. O The slope of the least squares line would be negative. As the number of hours of TV watched per day increases, the number of fruit and vegetable servings per day increases on average. O The slope of the least squares line would be positive. As the number of hours of TV watched per day increases, the number of fruit and vegetable servings per day decreases on average. O The slope of the least squares line would be positive. As the number of hours of TV watched per day increases, the number of fruit and vegetable servings per day increases on average.
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