A fitness trainer is interested in investigating whether ethnicity and the first exercise activity that members engage in aredependent. The table below shows the results of the trainer's observation of randomly selected members.Frequencies of Ethnicity and Exercise ActivityWeight MachinesWhiteHispanicBlackOtherCardio8484684898975170O HomogeneityO IndependenceFree Weights81986941What can be concluded at the α = 0.05 significance level?a. What is the correct statistical test to use?O Goodness-of-FitPaired t-testb. What are the null and alternative hypotheses?Ho:O Ethnicity and first exercise activity are dependent.O Ethnicity and first exercise activity are independent.O The distribution of first exercise activity is not the same for each ethnicity.O The distribution of first exercise activity is the same for each ethnicity.H₁:O The distribution of first exercise activity is the same for each ethnicity.O Ethnicity and first exercise activity are dependent.O The distribution of first exercise activity is not the same for each ethnicity.O Ethnicity and first exercise activity are independent. H₁O The distribution of first exercise activity is the same for each ethnicity.O Ethnicity and first exercise activity are dependent.O The distribution of first exercise activity is not the same for each ethnicity.O Ethnicity and first exercise activity are independent.c. The test-statistic for this data =d. The p-value for this sample=e. The p-value is Select an answerf. Based on this, we shouldO accept the nullreject the nullO fail to reject the nullaHint: Helpful Video [+]Textbook PagesHelp(Please show your answer to three decimal places.)(Please show your answer to four decimal places.)g. Thus, the final conclusion is...O There is sufficient evidence to conclude that ethnicity and first exercise activity are independent.O There is insufficient evidence to conclude that ethnicity and first exercise activity are dependent.O There is insufficient evidence to conclude that the distribution of first exercise activity is not the same foreach ethnicity.O There is sufficient evidence to conclude that ethnicity and first exercise activity are dependent.O There is sufficient evidence to conclude that the distribution of first exercise activity is not the same foreach ethnicity.

Cardio Weight machines Free weights Row Total White 84 98 81 263 Hispanic 84 97 98 279 Black…

A fitness trainer is interested in investigating whether ethnicity and the first exercise activity that members engage in ar dependent. The table below shows the results of the trainer's observation of randomly selected members. Frequencies of Ethnicity and Exercise Activity Cardio Weight Machines 84 84 68 48 White Hispanic Black Other 98 97 51 70 Goodness-of-Fit Free Weights 81 98 69 41 What can be concluded at the = 0.05 significance level? a. What is the correct statistical test to use?

A fitness trainer is interested in investigating whether ethnicity and the first exercise activity that members engage in ar dependent. The table below shows the results of the trainer's observation of randomly selected members. Frequencies of Ethnicity and Exercise Activity Cardio Weight Machines 84 84 68 48 White Hispanic Black Other 98 97 51 70 Goodness-of-Fit Free Weights 81 98 69 41 What can be concluded at the = 0.05 significance level? a. What is the correct statistical test to use?

Holt Mcdougal Larson Pre-algebra: Student Edition 2012

1st Edition

ISBN:9780547587776

Author:HOLT MCDOUGAL

Publisher:HOLT MCDOUGAL

Chapter11: Data Analysis And Probability

Section: Chapter Questions

Problem 8CR

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