In a study 10 people were given a test. The mean test score was 78.9 points. The standard deviation for the test scores was 5.2 points. If an 11th person takes the test and scores 77 points, predict what will happen to the mean and standard deviation. Circle the appropriate conclusion in the sentences below. The mean will increase // decrease // stay the same. The standard deviation will increase // decrease // stay the same.
In a study 10 people were given a test. The mean test score was 78.9 points. The standard deviation for the test scores was 5.2 points. If an 11th person takes the test and scores 77 points, predict what will happen to the mean and standard deviation. Circle the appropriate conclusion in the sentences below. The mean will increase // decrease // stay the same. The standard deviation will increase // decrease // stay the same.
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section: Chapter Questions
Problem 22SGR
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Question
In a study 10 people were given a test. The
for the test scores was 5.2 points. If an 11th person takes the test and scores 77 points, predict what will
happen to the mean and standard deviation. Circle the appropriate conclusion in the sentences below.
The mean will increase // decrease // stay the same.
The standard deviation will increase // decrease // stay the same.
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