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 40 − 59.99.

Question

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 40 − 59.99.

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The Answer of 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 40 − 59.99.

Consider a Set of 50 Measurements with Mean 50