Essentials Of Statistics
4th Edition
ISBN: 9781305093836
Author: HEALEY, Joseph F.
Publisher: Cengage Learning,
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Textbook Question
Chapter 5, Problem 5.5P
At St. Algebra College, the 200 freshmen enrolled in introductory biology took a final exam on which their mean score was 72 and their standard deviation was 6. The following table presents the grades of 10 students. Convert each into a
|
|
Number of Students Above | Number of students Below |
60 | |||
57 | |||
55 | |||
67 | |||
70 | |||
72 | |||
78 | |||
82 | |||
90 | |||
95 |
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Chapter 5 Solutions
Essentials Of Statistics
Ch. 5 - Scores on a quiz were normally distributed and had...Ch. 5 - Assume that the distribution of scores on a...Ch. 5 - The senior class has been given a comprehensive...Ch. 5 - For a normal distribution where the mean is 50 and...Ch. 5 - At St. Algebra College, the 200 freshmen enrolled...Ch. 5 - If a distribution of test scores is normal, with a...Ch. 5 - SOC A scale measuring prejudice has been...Ch. 5 - SOC On the scale mentioned in problem 5.7, if a...Ch. 5 - For a math test on which the mean score was 59 and...Ch. 5 - SOC The average number of dropouts for a school...
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