STATISTICS-WILEYPLUS ACCESS
STATISTICS-WILEYPLUS ACCESS
2nd Edition
ISBN: 9781119163695
Author: Lock
Publisher: WILEY
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Chapter 9.2, Problem 57E

a.

To determine

Identify the data set and select any two quantitative variables.

Indicate the response variable and the explanatory variable.

b.

To determine

Construct a scatter plot and explain it.

Check whether the conditions for fitting a linear model are reasonably met.

c.

To determine

Find the correlation between Body fat and Weight.

Find the p-value of the test of the correlation.

d.

To determine

Find the regression line and t-test statistic for the slope.

Find the p-value for the test of the slope of the regression line.

e.

To determine

Find the F-statistic and the p-value from an ANOVA test for the effectiveness of the model.

f.

To determine

Find and interpret the value of R2.

g.

To determine

State the conclusion about the effectiveness of the model.

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Examine the Variables: Carefully review and note the names of all variables in the dataset. Examples of these variables include: Mileage (mpg) Number of Cylinders (cyl) Displacement (disp) Horsepower (hp) Research: Google to understand these variables. Statistical Analysis: Select mpg variable, and perform the following statistical tests. Once you are done with these tests using mpg variable, repeat the same with hp Mean Median First Quartile (Q1) Second Quartile (Q2) Third Quartile (Q3) Fourth Quartile (Q4) 10th Percentile 70th Percentile Skewness Kurtosis Document Your Results: In RStudio: Before running each statistical test, provide a heading in the format shown at the bottom. “# Mean of mileage – Your name’s command” In Microsoft Word: Once you've completed all tests, take a screenshot of your results in RStudio and paste it into a Microsoft Word document. Make sure that snapshots are very clear. You will need multiple snapshots. Also transfer these results to the…

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STATISTICS-WILEYPLUS ACCESS

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