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)).

Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
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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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