For this assignment you need to use the BodyFatPercentage.RData for a study on obesity in adolescent girls. Below is a b

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For This Assignment You Need To Use The Bodyfatpercentage Rdata For A Study On Obesity In Adolescent Girls Below Is A B 1 (32.76 KiB) Viewed 14 times

For This Assignment You Need To Use The Bodyfatpercentage Rdata For A Study On Obesity In Adolescent Girls Below Is A B 2 (57.63 KiB) Viewed 14 times

For this assignment you need to use the BodyFatPercentage.RData for a study on obesity in adolescent girls. Below is a brief summary of the data set: A medical researcher is studying obesity in adolescent girls. The researcher collected body mass index (BMI), body fat percentage, and other personal variables from 92 adolescent girls. The data collected by the researcher is a random sample representative of the population of all adolescent girls. The following variables were collected: . . file, which includes data collected . BMI: the body mass index of each girl Pct Fat: the body fat percentage of each girl I Activity: the activity level for each girl (high, medium, or low) Menarche; whether the girl has achieved menarche (Yes or No) We do not know the population standard deviation for adolescent girls' BMI or body fat percentage.
2. (11 points) You need to use information about the body fat percentage (Pct_Fat) variable from BodyFatPercentage data file to perform a hypothesis test. the 7 L Using RStudio, generate output showing the sample mean, sample standard deviation, and sample size for the Pct_Fat variable. b. We want to use the BodyFatPercentage data to test the claim that the mean body fat percentage for all adolescent girls is greater than 25. The null hypothesis is Hai μ = 25. State the alternate hypothesis for a one-sided test that would test if the mean body fat percentage for all adolescent girls is greater than 25. Be sure to use the correct notation and symbols. Check that the conditions are met for this hypothesis test. You can assume that the BodyFatPercentage data set is a random sample. Show all work and be sure to use the correct notation and symbols. Calculate the test statistic for this hypothesis test and show all work. Use the test command in RStudio to perform this hypothesis test. a. C d. e. & I Based on the output you provide for 2.e., identify the p-value for this test. State the p-value as a decimal rounded to four decimal places. Based on your p-value from 2.f., draw a conclusion for this hypothesis test and give the reason for the conclusion. Use a level of significance of a = .05. Be sure to give the reason for your conclusion. L