Construct a frequency distribution

Reference no: EM13975158

1. Using the frequency distribution in Exercise 2.5, identify the following for the 15-under 25 class:

(a) frequency, (b) upper and lower limits, (c) width, and (d) midpoint.

Construct a frequency distribution and a histogram for these data.

2. The following performance scores have been recorded for 25 job applicants who have taken a pre- employment aptitude test administered by the company to which they applied:

66.6	75.4	66.7	59.2	78.5	80.8	79.9 87.0 94.1
70.2	92.8	86.9	92.8	66.8	65.3	100.8 76.2 87.8

71.0 92.9 97.3 82.5 78.5 72.0 76.2

Construct a frequency distribution and a histogram for these data.

Reference no: EM13975158

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