Exam 15: Association Between Variables Measured at the Interval-Ratio Level

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In addition to random sampling,interval-ratio level of measurement,and a normal sampling distribution,model assumptions for testing Pearson's r for significance include

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Question 41

On a scattergram,the regression line

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Question 42

If the slope (b)is zero,the value of r

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Question 43

If you wanted to measure the association between the age of people (in years)and the number of arrests for driving while intoxicated,the most appropriate measure of association would be

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Question 44

Visual examination of a scattergram indicates the existence of an association between variables when

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Question 45

When testing Pearson's r for significance,the null hypothesis is that

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Question 46

If a = 5 and b = 10,what would the value of Y be when X = 100?

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Question 47

There is no linear relationship between two interval-ratio variables when the regression line on a scattergram

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Question 48

The amount of error in predicting Y that remains after X has been taken into account is

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Question 49

In a study of the relationship between geographical mobility (number of times a person has changed residences)and number of friends,Pearson's r² is reported as .40.Which of the following would be a correct interpretation?

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Question 50

The conditional mean of Y for any value of X is found by

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Question 51

Showing 41 - 51 of 51

In addition to random sampling,interval-ratio level of measurement,and a normal sampling distribution,model assumptions for testing Pearson's r for significance include

On a scattergram,the regression line

If the slope (b)is zero,the value of r

If you wanted to measure the association between the age of people (in years)and the number of arrests for driving while intoxicated,the most appropriate measure of association would be

Visual examination of a scattergram indicates the existence of an association between variables when

When testing Pearson's r for significance,the null hypothesis is that

If a = 5 and b = 10,what would the value of Y be when X = 100?

There is no linear relationship between two interval-ratio variables when the regression line on a scattergram

The amount of error in predicting Y that remains after X has been taken into account is

In a study of the relationship between geographical mobility (number of times a person has changed residences)and number of friends,Pearson's r² is reported as .40.Which of the following would be a correct interpretation?

The conditional mean of Y for any value of X is found by

Introduction

Basic Descriptive Statistics: Percentages, Ratios and Rates, Tables, Charts and Graphs

Measures of Central Tendency

Measures of Dispersion

The Normal Curve

Introduction to Inferential Statistics: Sampling and the Sampling Distribution

Estimation Procedures

Hypothesis Testing I: the One-Sample Case

Hypothesis Testing II: the Two-Sample Case

Hypothesis Testing III: the Analysis of Variance

Hypothesis Testing Iv: Chi Square

Bivariate Association: Introduction and Basic Concepts

Association Between Variables Measured at the Nominal Level

Association Between Variables Measured at the Ordinal Level

Elaborating Bivariate Tables

Partial Correlation and Multiple Regression and Correlation

Filters

Exam 15: Association Between Variables Measured at the Interval-Ratio Level

In addition to random sampling,interval-ratio level of measurement,and a normal sampling distribution,model assumptions for testing Pearson's r for significance include

On a scattergram,the regression line

If the slope (b)is zero,the value of r

If you wanted to measure the association between the age of people (in years)and the number of arrests for driving while intoxicated,the most appropriate measure of association would be

Visual examination of a scattergram indicates the existence of an association between variables when

When testing Pearson's r for significance,the null hypothesis is that

If a = 5 and b = 10,what would the value of Y be when X = 100?

There is no linear relationship between two interval-ratio variables when the regression line on a scattergram

The amount of error in predicting Y that remains after X has been taken into account is

In a study of the relationship between geographical mobility (number of times a person has changed residences)and number of friends,Pearson's r2 is reported as .40.Which of the following would be a correct interpretation?

The conditional mean of Y for any value of X is found by

Introduction

Basic Descriptive Statistics: Percentages, Ratios and Rates, Tables, Charts and Graphs

Measures of Central Tendency

Measures of Dispersion

The Normal Curve

Introduction to Inferential Statistics: Sampling and the Sampling Distribution

Estimation Procedures

Hypothesis Testing I: the One-Sample Case

Hypothesis Testing II: the Two-Sample Case

Hypothesis Testing III: the Analysis of Variance

Hypothesis Testing Iv: Chi Square

Bivariate Association: Introduction and Basic Concepts

Association Between Variables Measured at the Nominal Level

Association Between Variables Measured at the Ordinal Level

Elaborating Bivariate Tables

Partial Correlation and Multiple Regression and Correlation

Filters

In a study of the relationship between geographical mobility (number of times a person has changed residences)and number of friends,Pearson's r² is reported as .40.Which of the following would be a correct interpretation?