Mathematics, 16.10.2019 23:20, benwil0622a

The quiz grades of a math class are given.
81, 75, 68, 97, 69, 81, 89, 74, 75, 82, 91, 90
un
the grades are normally distributed with a mean of 81 and a standard deviation of 9
1.0
what is the 2-score of the lowest grade in the quiz?
round the answer to the nearest hundredth.
-1.41
-1.30
nex
ende

Answers: 2

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The quiz grades of a math class are given.
81, 75, 68, 97, 69, 81, 89, 74, 75, 82, 91, 90