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Consider a Set of 50 Measurements with Mean 50

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Consider a set of 50 measurements with mean 50.2 and standard deviation 18.7 and with the following observed frequencies.
Consider a set of 50 measurements with mean 50.2 and standard deviation 18.7 and with the following observed frequencies. It is desired to test whether these measurements came from a normal population. Calculate the expected frequency for the interval 0 − 39.99. It is desired to test whether these measurements came from a normal population. Calculate the expected frequency for the interval 0 − 39.99.

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14.56
Z = blured image = −.55
P(...

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