The first Stat exam had a mean of 85 and a standard deviation of 3 points; the second had a mean of 75 and a standard deviation of 8 points. Reginald scored an 85 on the first test and an 83 on the second. Sara scored a 94 on the first test but only a 71 on the second. Although Reginald's total score is higher, Sara feels she should get the higher grade. Explain her point of view. The sum of Sara's standardized scores is _ while the sum of Reginald's standardized scores is _When the test scores are standardized, Sara did better than Reginald.
The first Stat exam had a mean of 85 and a standard deviation of 3 points; the second had a mean of 75 and a standard deviation of 8 points. Reginald scored an 85 on the first test and an 83 on the second. Sara scored a 94 on the first test but only a 71 on the second. Although Reginald's total score is higher, Sara feels she should get the higher grade. Explain her point of view. The sum of Sara's standardized scores is _ while the sum of Reginald's standardized scores is _When the test scores are standardized, Sara did better than Reginald.
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.5: Comparing Sets Of Data
Problem 26PFA
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The first Stat exam had a mean of 85 and a standard deviation of 3 points; the second had a mean of 75 and a standard deviation of 8 points. Reginald scored an 85 on the first test and an 83 on the second. Sara scored a 94 on the first test but only a 71 on the second. Although Reginald's total score is higher, Sara feels she should get the higher grade. Explain her point of view.
The sum of Sara's standardized scores is _ while the sum of Reginald's standardized scores is _When the test scores are standardized, Sara did better than Reginald.
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