Kevin, Kyle, and Kara each scored a raw score of 80 on the test. In Kevin's class, the mean score was 78 with a standard deviation of 4. In Kyle's class, the mean score was 79 with a standard deviation of 2. In Kara's class, the mean score was 75 with a standard deviation of 5. Who did the best in their class? How do you know? • What percentile did each of them score? •

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.3: Measures Of Spread
Problem 26PFA
icon
Related questions
Question
100%

Plz solve asap within 20 minutes 

Kevin, Kyle, and Kara each scored a raw score of 80 on the test.
In Kevin's class, the mean score was 78 with a standard deviation of 4.
In Kyle's class, the mean score was 79 with a standard deviation of 2.
In Kara's class, the mean score was 75 with a standard deviation of 5.
• Who did the best in their class? How do you know?
What percentile did each of them score?
Transcribed Image Text:Kevin, Kyle, and Kara each scored a raw score of 80 on the test. In Kevin's class, the mean score was 78 with a standard deviation of 4. In Kyle's class, the mean score was 79 with a standard deviation of 2. In Kara's class, the mean score was 75 with a standard deviation of 5. • Who did the best in their class? How do you know? What percentile did each of them score?
Expert Solution
steps

Step by step

Solved in 3 steps

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
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
Holt Mcdougal Larson Pre-algebra: Student Edition…
Holt Mcdougal Larson Pre-algebra: Student Edition…
Algebra
ISBN:
9780547587776
Author:
HOLT MCDOUGAL
Publisher:
HOLT MCDOUGAL