According to a report published two years ago by the

Last updated: 4/25/2023

According to a report published two years ago by the National Center for Education Statistics the average time required to complete a bachelor s degree is 53 months A researcher suspects that the it now takes students longer than 53 months on average to complete a bachelor s degree A recent random sample of 156 recent college graduates revealed that the average time to complete a bachelor s degree was 54 months with a standard deviation of 9 5 months Using a 0 0005 is there sufficient evidence to conclude that the average time required to complete a bachelor s degree is greater than 53 months Use the p value method State the null and alternative hypothesis for this test Ho H Determine if this test is left tailed right tailed or two tailed two tailed Oright tailed left tailed Should the standard normal z distribution or Student s t distribution be used for this test The standard normal z distribution should be used The Student s t distribution should be used Determine the test statistic for the hypothesis test Round the solution to four decimal places Determine the p value range for the hypothesis test Op value 0 0005 0 0005 p value 0 005 0 005 p value 0 01 0 01 p value 0 025 0 025 p value 0 05 0 05 p value 0 10 Op value 0 10