A group of 18 students takes a survey in statistics. Each student is randomly assigned to one of three rooms: quiet, mo

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A group of 18 students takes a survey in statistics.
Each student is randomly assigned to one of three rooms: quiet,
moderately noisy, and noisy. The number of errors on the
examsurvey for each student is shown below. Do the results
indicate a significant difference in the number of errors for the
different noise level groups?
What is the dependent variable?
_______ (1 point)
Quiet
Moderate
Noisy
9
7
6
10
9
8
8
8
10
13
13
7
12
11
11
14
12
12
Source
Df
SS
MS
F
Between
Within
Total