Mathematics, 05.06.2020 03:59 briashia
Outa wants to compare the mean of his test scores in French class to the mean absolute deviation.
Language Test Scores
French Scores
76
62
94
80
He uses the steps below to find both the mean and mean absolute deviation.
French Scores
Step 1
Add the scores.
76 + 62 + 94 + 80 = 312
Step 2
Divide the sum of the scores by 4.
312 divided by 4 = 78
Step 3
Add the differences between the mean and each score.
(76 minus 78) + (62 minus 78) + (94 minus 78) + (80 minus 78) = 0
Step 4Divide by 4.
StartFraction 0 over 4 EndFraction = 0
In which step did Souta make the first error?
Step 1
Step 2
Step 3
Step 4
Answers: 1
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