A researcher is studying changes in the student body at her university and has selected a random sample of 163 from the freshman class. The table below compares their characteristics to the student body as a whole. Which differences are significant? VARIABLEFRESHMENALLSTUDENTSa) Proportion that is Pro-Ps = 0.44Pu = 0.49%3DDuterteb) Proportion majoring inPs = 0.17Pu = 0.09%3DScience and Mathc) Average Family incomex = Php 267,000s = Php 15,000u = Php 215,000d) Average number ofsiblingsx = 3µ = 5S = 1e) Average number of phonecalls to parents per weekX = 1.5H = 0.4S = 0.4f) Average number of closefriends living near campusx = 5µ = 8S = 1 For each variable in your practice exercise, usethe Five-step hypothesis testing proceduresuggested in this presentation.Make Assumptions and meet testrequirements.State the null hypothesis.1.2.Select the sampling distribution andestablish the critical region.3.Compute the test statistic.Make a decision and interpret results.4.5.

Name: A researcher is studying changes in the student body at her university
Uploaded: 2024-03-20T07:07:37.000Z
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Description: A researcher is studying changes in the student body at her university and has selected a random sample of 163 from the freshman class. The table below compares their characteristics to the student body as a whole. Which differences are significant?