I answered the other part of it, but the graph was confusing at first. thanks for explaining the example.

What is the income distribution of super shoppers? A supermarket super shopper is defined as a shopper for whom at least 70% of the items purchased were on sale or purchased with a coupon. In the following table, income units are in thousands of dollars, and each interval goes up to but does not include the given high value. The midpoints are given to the nearest thousand dollars.

( b) Use a histogram to graph the probability distribution of part ( a ) . ( Select the correct graph . ) 20 15 siddys Idis % TTTTTT 10 20 30 40 50 60 O Income siddys Idis 76 `LLLLLLLL LL LL LL LL LL LL LL 10 20 30 40 50 60 O Income in` LLLLLLLL LL LL L LL LL LL LLLLL siddys Idis % 10 20 30 40 50 60 Income O in LLLLLLLLLLLL LL LL LLLL LL LL *x SupT Shopis 10 20 30 40 50 60 Income\f