# A college dean believed that car ownership among students leads to lower grades Option. To test this

A college dean believed that car ownership among students leads to lower grades Option. To test this
A college dean believed that car ownership among students leads to lower grades Option.  To test this hypothesis, she obtained a random sample of student car owners and non-owners and looked up their GPAs Option.  She obtained the following data Option. a Option.  Construct box plots for car owners and non-owners and stack the plots one above the other Option.  Do the data contain outliers? Solve Do the sample distributions appear to be relatively symmetrical? Solve b Option.  List the five steps you would follow in testing the null hypothesis and state the decision rule Option.  Let  =  Option. 05 Option. c Option.  Compute a t test statistic and make a decision about the researcher’s hypothesis Option.   d Option.  Determine the p value of the test statistic using Appendix Table D Option. 3 and Microsoft’s Excel TDIST function Option.   e Option.  Compute Hedges’s measure of effect size and interpret the measure Option.   f Option.  Use Appendix Table D Option. 8 to determine if the sample size is adequate to detect a large-size effect if a power of  Option. 80 is desired Option.  What is the minimum number of participants required? Solve g Option.  Construct a 100(1  Option. 05) % = 95% confidence interval for 1 2; assume that t Option. 05, 34 = 1 Option. 691 Option.  Locate the confidence interval on the real number line Option.   h Option.  Specify all the null hypotheses that could be rejected Option.   May 17 2022 10:50 AM

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