Answered: Welch Two Sample T-Test data: mpg by… | bartleby

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018

18th Edition

ISBN:9780079039897

Author:Carter

Publisher:Carter

Chapter10: Statistics

Section10.3: Measures Of Spread

Problem 1GP

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Welch Two Sample T-Test

data: mpg by cyl

t = 7.49a, df = 13.054b, p-value = 4.453e-06c

alternative hypothesis: true difference in means is not equal to zero

95% confidence interval:

8.504657 15.395343d

sample estimates:

mean in group 4: 27.05e

mean in group 8: 15.10e

Does the t-test indicate that there is a statistically significant difference between the two groups?

A. yes

B. no

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