Use the data of exercise 128 to illustrate that class marks, Ask an Expert

Statistics

Use the data of Exercise 128 to illustrate that class marks are given by the midpoint between successive class boundaries as well as the midpoint between successive class limits.

Exercise 128

(a) Construct a histogram of the reaction times of pilots from the data in Exercise 116.

(b) What can be said about the shape of this histogram?

Exercise 116

Eighty pilots were tested in a flight simulator and the time for each to take corrective action for a given emergency was measured in seconds, with the following results:

Construct a frequency distribution of these data.

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Statistics and Probability, Statistics

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