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
icon
Related questions
Question

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.

Expert Solution
Step 1

Statistics homework question answer, step 1, image 1

trending now

Trending now

This is a popular solution!

steps

Step by step

Solved in 3 steps with 3 images

Blurred answer
Recommended textbooks for you
Glencoe Algebra 1, Student Edition, 9780079039897…
Glencoe Algebra 1, Student Edition, 9780079039897…
Algebra
ISBN:
9780079039897
Author:
Carter
Publisher:
McGraw Hill
Holt Mcdougal Larson Pre-algebra: Student Edition…
Holt Mcdougal Larson Pre-algebra: Student Edition…
Algebra
ISBN:
9780547587776
Author:
HOLT MCDOUGAL
Publisher:
HOLT MCDOUGAL
Big Ideas Math A Bridge To Success Algebra 1: Stu…
Big Ideas Math A Bridge To Success Algebra 1: Stu…
Algebra
ISBN:
9781680331141
Author:
HOUGHTON MIFFLIN HARCOURT
Publisher:
Houghton Mifflin Harcourt
College Algebra (MindTap Course List)
College Algebra (MindTap Course List)
Algebra
ISBN:
9781305652231
Author:
R. David Gustafson, Jeff Hughes
Publisher:
Cengage Learning