### SMAT 130B-01 – CRN: 10227: Use the data in the table below to complete parts (a) through (d).

Date: November 30th, 2022

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Date: November 30th, 2022

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Date: November 30th, 2022

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Date: November 30th, 2022

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Date: November 30th, 2022

Two variables have a positive linear correlation. Is the slope of the regression line for the variables positive or negative? Question content area bottom Part 1 A. The slope is negative. As the independent variable increases the dependent variable tends to decrease. B. The slope is positive. As the independent variable increases the dependent variable also […]

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Date: November 30th, 2022

What is a residual? Explain when a residual is positive, negative, and zero. Question content area bottom Part 1 A. A residual is the difference between the observed y-value of a data point and the predicted y-value on a regression line for the x-coordinate of the data point. A residual is positive when the point is below the line, negative when […]

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Date: November 30th, 2022

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Date: November 30th, 2022

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Date: November 30th, 2022

Question content area top Part 1 Value of home and life span are two variables that have been shown to have positive correlation but no cause-and-effect relationship. Describe at least one possible reason for the correlation. Question content area bottom Part 1 Select all that apply. A. Greater wealth allows people to afford more valuable homes […]

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Date: November 30th, 2022

Identify the explanatory variable and the response variable. A farmer wants to determine if the temperature received by similar crops can be used to predict the harvest of the crop. Question content area bottom Part 1 The explanatory variable is the temperature . The response variable is the harvest of the crop .

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Date: November 30th, 2022