one math class, the first exam had an average score of 81.2% with a standard deviation of 10.9%. The second exam had a mean score of 79.3%, with a standard deviation of 19.9%. Based on these numbers, tell whether each statement is true or false. (a) Even though the means were similar, the spread of the scores was wider on the second exam. The statement is ▼(Choose one(True/False)). (b) More students did better on Exam 1 than Exam 2. The statement is ▼(Choose one(True/False)).

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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In one math class, the first exam had an average score of 81.2% with a standard deviation of 10.9%. The second exam had a mean score of 79.3%, with a standard deviation of 19.9%.

Based on these numbers, tell whether each statement is true or false.

(a) Even though the means were similar, the spread of the scores was wider on the second exam.

The statement is ▼(Choose one(True/False)).

(b) More students did better on Exam 1 than Exam 2.

The statement is ▼(Choose one(True/False)).
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