A researcher with the Department of Education followed a cohort of students who graduated from high school in a certain year, monitoring the progress the students made toward completing a bachelor's degree. One aspect of his research was to determine whether students who first attended community college took longer to attain a bachelor's degree than those who immediately attended and remained at a 4-year institution. The data in the table attached below summarize the results of his study. Complete parts a) through e) below. Sample Data n Sample mean time to graduate, in years Sample standard deviation time to graduate, in years Community College Transfer 253 5.36 1.161 No Transfer 1129 4.40 1.015 X duate. dents. me to graduate. nity college or not. ualifications are me le

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