The Wachesaw Manufacturing Co. produced the following number of units in the last 16 days:

125130131126125123123126124126124126129128124124

The information is to organized into a frequency distribution.

a.How many classes would you recommend?

b.What class interval would you suggest?(Round the final answer to 1 decimal place.)

c.What lower limit would you recommend for the first class?

d.Organize the information into a frequency distribution and determine the relative frequency distribution.(Round the final answers to 4 decimal places.)

UnitsFrequencyRelative frequency122 to under 124.0124.0 to under 126.0126.0 to under 128.0128.0 to under 130.0130.0 to under 132.0Total

e.Comment on the shape of the distribution.

The largest concentration is in theup tofrequency ().