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Originally, Dr. Smith decides to curve his students’ exam grades as follows. Students whose scores are at or above the 90th percentile will receive an A. Students whose scores are in the 80th–89th percentiles will receive a B. Students whose scores are in the 70th–79th percentiles will receive a C. Students whose scores are in the 60th–69th percentiles will receive a D. Students whose scores are below the 60th percentile will receive an F.   Find the z-scores that correspond to the following percentiles. 90th percentile 80th percentile 70th percentile 60th percentile

Originally, Dr. Smith decides to curve his students’ exam grades as follows. Students whose scores are at or above the 90th percentile will receive an A. Students whose scores are in the 80th–89th percentiles will receive a B. Students whose scores are in the 70th–79th percentiles will receive a C. Students whose scores are in the 60th–69th percentiles will receive a D. Students whose scores are below the 60th percentile will receive an F.   Find the z-scores that correspond to the following percentiles. 90th percentile 80th percentile 70th percentile 60th percentile

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
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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Originally, Dr. Smith decides to curve his students’ exam grades as follows.

  • Students whose scores are at or above the 90th percentile will receive an A.
  • Students whose scores are in the 80th–89th percentiles will receive a B.
  • Students whose scores are in the 70th–79th percentiles will receive a C.
  • Students whose scores are in the 60th–69th percentiles will receive a D.
  • Students whose scores are below the 60th percentile will receive an F.

 

  1. Find the z-scores that correspond to the following percentiles.
  • 90th percentile
  • 80th percentile
  • 70th percentile
  • 60th percentile
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