Question

A data set on money spent on lottery tickets during the past year by 200 households has a lowest value
of $1 and a highest value of $1167. Suppose we want to group these data into six classes of equal widths.
a. Assuming that we take the lower limit of the first class as $1 and the width of each class equal
to $200, write the class limits for all six classes.
b. What are the class boundaries and class midpoints?

Answer 1

Answer:

2.16) a) The class limits are:

1- 200

201 - 400

401 - 600

601 - 800

801 - 1000

1001 - 1200

b) The boundaries will be 0.5 lower than the low limit and 0.5 higher than the high limit.

The midpoints will be halfway between the boundaries (and limits). (0.5+200.5)/2 = 100.5 for the first class. The...

Step-by-step explanation:

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