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A test consists of 60 multiple choice questions, each with five possible answers, only one of which is correct. Find the mean and the standard deviation of the number of correct answers. Round the answers to the nearest hundredth. O A. mean: 30.00; standard deviation: 3.10 O B. mean: 12.00; standard deviation: 3.10 OC. mean: 12.00; standard deviation: 3.46 O D. mean: 30.00; standard deviation: 5.48

A test consists of 60 multiple choice questions, each with five possible answers, only one of which is correct. Find the mean and the standard deviation of the number of correct answers. Round the answers to the nearest hundredth. O A. mean: 30.00; standard deviation: 3.10 O B. mean: 12.00; standard deviation: 3.10 OC. mean: 12.00; standard deviation: 3.46 O D. mean: 30.00; standard deviation: 5.48

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
Section10.3: Measures Of Spread
Problem 11PPS
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A test consists of 60 multiple choice questions, each with five possible answers, only one of which is correct. Find the mean and the standard deviation of the number of correct answers. Round the answers to the nearest hundredth. ← O A. mean: 30.00; standard deviation: 3.10 OB. mean: 12.00; standard deviation: 3.10 O C. mean: 12.00; standard deviation: 3.46 O D. mean: 30.00; standard deviation: 5.48
Transcribed Image Text:A test consists of 60 multiple choice questions, each with five possible answers, only one of which is correct. Find the mean and the standard deviation of the number of correct answers. Round the answers to the nearest hundredth. ← O A. mean: 30.00; standard deviation: 3.10 OB. mean: 12.00; standard deviation: 3.10 O C. mean: 12.00; standard deviation: 3.46 O D. mean: 30.00; standard deviation: 5.48
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