Assembly times for components must be understood in order to
Assembly times for components must be understood in order to “level” the stages of a production process. Construct both a histogram and a frequency polygon for the following assembly time data and comment on the key characteristics of the distribution.
Class Interval ...... Frequency
30–under 32 ....... 5
32–under 34 ......... 7
34–under 36 ........ 15
36–under 38 ....... 21
38–under 40 ........ 34
40–under 42 ........ 24
42–under 44 ........ 17
44–under 46 ........ 8

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