Here are the total scores of 10 students in an introductory statistics course. 62 93 54 76 73 98 64 55 80 71 Previous experience with this course suggests that these scores should come from a distribution that is approximately Normal with mean 72 and standard deviation 10. The grading policy says that the cutoffs for the other grades correspond to the following: bottom 5% receive F, next 15% receive D, next 40% receive C, and next 30% receive B. These cutoffs are based on the N(72, 10) distribution. (a) Give the cutoffs for the grades in this course in terms of standardized scores. (Round your answers to two decimal places.) Letter Grade Standardized Cutoff F z < D < z < C < z < B < z <
Here are the total scores of 10 students in an introductory statistics course. 62 93 54 76 73 98 64 55 80 71 Previous experience with this course suggests that these scores should come from a distribution that is approximately Normal with mean 72 and standard deviation 10. The grading policy says that the cutoffs for the other grades correspond to the following: bottom 5% receive F, next 15% receive D, next 40% receive C, and next 30% receive B. These cutoffs are based on the N(72, 10) distribution. (a) Give the cutoffs for the grades in this course in terms of standardized scores. (Round your answers to two decimal places.) Letter Grade Standardized Cutoff F z < D < z < C < z < B < z <
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.4: Distributions Of Data
Problem 19PFA
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Here are the total scores of 10 students in an introductory statistics course.
62 | 93 | 54 | 76 | 73 | 98 | 64 | 55 | 80 | 71 |
Previous experience with this course suggests that these scores should come from a distribution that is approximately Normal with mean 72 and standard deviation 10. The grading policy says that the cutoffs for the other grades correspond to the following: bottom 5% receive F, next 15% receive D, next 40% receive C, and next 30% receive B. These cutoffs are based on the N(72, 10) distribution.
(a) Give the cutoffs for the grades in this course in terms of standardized scores. (Round your answers to two decimal places.)
Letter Grade Standardized Cutoff
F z <
D < z <
C < z <
B < z <
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