examscores.csv data below'Student', 'L', 'L/R', 'L/C', 'C'1,7,5,9,172,2,2,12,193,2,3,2,264,6,11,17,15,16,16,12,476,11,11,20,277,9,3,20,-88,0,,31,109,4,,21,2010,2,,, 3. Administrators at ACME High School wanted to know which of fourinstructional methods for mathematics is best. The four methods werelecture only (L), lectures with remedial textbook assistance (LR),lectures with computer assistance (LC), and computer instruction only(C). At the end of five weeks, the students were given a commonexam. The scores on the exams are in the file examscores.csv(a) Which instructional method results in the highest median scoregain?(b) Which method results in the highest mean score gain?(c) Which method has the smallest coefficient of variation?(d) Which method has the largest sample standard deviation?(e) Which test (Hartley's F-max, Bartlett's, Levene's) is mostappropriate for checking for equality of variance?(f) Run the test you suggested in part (e). Be sure to state the nulland alternative hypotheses, test statistics, p-value, andconclusion. Also, check the assumptions with graphs, AndersonDarling, etc.

Name: examscores.csv data below'Student', 'L', 'L/R', 'L/C', 'C'1,7,5,9,172,
Uploaded: 2024-03-20T07:07:12.000Z
Channel: Bartleby
Description: examscores.csv data below'Student', 'L', 'L/R', 'L/C', 'C'1,7,5,9,172,2,2,12,193,2,3,2,264,6,11,17,15,16,16,12,476,11,11,20,277,9,3,20,-88,0,,31,109,4,,21,2010,2,,, 3. Administrators at ACME High School wanted to know which of fourinstructional metho