Question: Missing Values 4. Using the grades.sav file delete the quiz1 scores for the first 20 subjects. Replace the (now) missing scores with the average score

Missing Values 4. Using the grades.sav file delete the quiz1 scores

Missing Values 4. Using the grades.sav file delete the quiz1 scores for the first 20 subjects. Replace the (now) missing scores with the average score for all other students in the class. Print out lastname, firstname, quiz1 for the first 30 students. Edit to fit on one page

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