The data set Grades.txt posted on Blackboard contains grades for a class of 30 students. Each obser- vation consists of the students name, midte.rm score, final score, and homework score. Notice that the delimiter in the file is the ampersand (&).

(a) Import the Grades.txt data set into SAS using a DATA step. Print the data set and report the resulting output.

(b) Use PROC IMPORT to import the Grades.txt data set into SAS. Print the data set and report the resulting output.

(c) Import the Grades.txt data set into R and store it in a data frame. Print the data frame and report the resulting output. grades.txt Name & Midter.m & Final & Homework Anderson & 54 & 65 & 71 Baker & 65 & 84 & 77 Brown & 73 & 91 & 88 Campbell & 89 & 67 & 90 Casey & 87 & 72 & 80 Davis & 72 & 78 & 83 Diaz & 84 & 91 & 93 Fisher & 75 & & 54 Foster & 88 & 90 & 99 Garcia & 89 & 77 & 91 Gonzalez & 84 & 87 & 79 Gray & 73 & 82 & 65 Green & 67 & 82 & 85 Hall & 59 & 67 & 64 Harris & 75 & 75 & 82 Jackson & 82 & 88 & 85 Jenkins & 89 & 58 & 80 Johnson & 64 & 70 & 78 Kennedy & 95 & 95 & Marshall & 37 & & Martin & 74 & 85 & 82 Miller & 98 & 93 & 88 Moore & 72 & 79 & 82 Price & 48 & 80 & 95 Reed & 69 & 81 & 75 Rogers & 92 & 85 & 90 Smith & 92 & 95 & 93 Thompson & 73 & 62 & 75 Wallace & 82 & 91 & 77 White & 96 & 79 & 85 wool.xlsx

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250	8	40	674
250	8	45	370
250	8	50	292
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250	9	45	266
250	9	50	210
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250	10	45	118
250	10	50	90
300	8	40	1414
300	8	45	1198
300	8	50	634
300	9	40	1022
300	9	45	620
300	9	50	438
300	10	40	443
300	10	45	332
300	10	50	220
350	8	40	3636
350	8	45	3184
350	8	50	2000
350	9	40	1568
350	9	45	1070
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350	10	40	1140
350	10	45	884
350	10	50	360