BuyFind

Essentials of Statistics for the B...

8th Edition
Frederick J Gravetter + 1 other
Publisher: Cengage Learning
ISBN: 9781133956570
BuyFind

Essentials of Statistics for the B...

8th Edition
Frederick J Gravetter + 1 other
Publisher: Cengage Learning
ISBN: 9781133956570

Solutions

Chapter
Section
Chapter 14.6, Problem 1LC
Textbook Problem

A local gym charges a $25 monthly membership fee plus $2 per hour for aerobics classes. What is the linear equation that describes the relationship between the total monthly cost (Y) and the number of class hours each month (X)?

Expert Solution
To determine
The linear equation between local gym changes and aerobics classes total monthly cost (Y) and the number of class hours each month (X).

Explanation of Solution

Given info:

A local gym, charges a $25 monthly membership fee plus $2 per hour for aerobics classes.

Calculation:

Simple linear regression:

The Simple linear regression is a statistical method that is used to the study relationships between two continuous (quantitative) variables: One variable x, is denoted as the predictor or explanatory or independent variable and the variable y is denoted as the dependent variable and response variable.

Linear equation form is Y=aX+b.

Where b is constant and the form aX varies with the value of X

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Chapter 14 Solutions

Essentials of Statistics for the Behavioral Sciences
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Ch. 14.4 - As sample size gets smaller, what happens to the...Ch. 14.4 - Sales figures show a positive relationship between...Ch. 14.5 - Describe what is measured by a Spearman...Ch. 14.5 - If the following scores are converted into ranks,...Ch. 14.5 - Rank the following scores and compute the Spearman...Ch. 14.5 - The following data represent job-related stress...Ch. 14.5 - A researcher would like to know whether there is a...Ch. 14.6 - A local gym charges a 25 monthly membership fee...Ch. 14.6 - For the linear equation, Y = 3X + 7. what happens...Ch. 14.6 - Use the linear equation Y = 2X 7 to determine the...Ch. 14.6 - If the slope constant (b) in a linear equation is...Ch. 14.6 - Sketch a scatter plot for the following datathat...Ch. 14.6 - Describe what sis measured by the standard error...Ch. 14.6 - As the numerical value of a correlation increases,...Ch. 14.6 - A sample of n = 6 pairs of X and Y scores produces...Ch. 14.6 - A set of n = 18 pairs of scores produces a Pearson...Ch. 14 - a. What information is provided by the sign (+ or...Ch. 14 - Calculate SP (the sum of products of deviations)...Ch. 14 - Calculate SP (the sum of products of deviations)...Ch. 14 - For the following scores, X Y 1 3 3 5 2 1 2 3 a....Ch. 14 - For the following scores, X Y 1 7 4 2 1 3 1 6 2 0...Ch. 14 - For the following scores, X Y 1 6 4 1 1 4 1 3 3 1...Ch. 14 - With a small sample, a single point can have a...Ch. 14 - For the following set of scores, X Y 6 4 3 1 5 0 6...Ch. 14 - Judge and Cable (2010) report the results of a...Ch. 14 - The researchers cited in the previous problem also...Ch. 14 - Identifying individuals with a high risk of...Ch. 14 - As we have noted in previous chapters, even a very...Ch. 14 - A researcher measures three variables, X, Y, and...Ch. 14 - Sketch a graph showing the line for the equation Y...Ch. 14 - The regression equation is intended to be the best...Ch. 14 - A set of n = 20 pairs of scores (X and Y values)...Ch. 14 - A set of n = 25 pairs of scores (X and Y values)...Ch. 14 - For the following set of data, a. Find the linear...Ch. 14 - Does the regression equation from Problem 20...Ch. 14 - For the following scores, X Y 3 6 6 1 3 4 3 3 5 1...Ch. 14 - Although you might suspect that dissatisfied...Ch. 14 - Problem 9 examined the relationship between weight...Ch. 14 - There appears to be some evidence suggesting that...Ch. 14 - The regression equation is computed for a set of n...Ch. 14 - a. One set of 20 pairs of scores, X and Y values,...Ch. 14 - a. A researcher computes the regression equation...

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