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1. The data consists of random sample of 30 households from the 2007 American Community Survey. Construct a frequency distribution and a histogram for each data set.

Monthly mortgage payment (In dollars):

430 330 740 860 940 280

2400 1000 1800 300 2400 300

2000 350 3200 2100 710 1100

1300 1100 500 500 2000 800

1000 160 1400 900 700 740

2. For the 22 states that produce large numbers of broiler chicken, the following stem-and-leaf plot gives the production in millions of live pounds.

Stem Leaves

0 0012234

0 8

1 02333

1 66

2 2

3 2

3 4

4 78

6 4

6 7

Units: 6/7 = 67 million pounds

a. Describe the shape of the distribution.

b. How many states produce fewer than 10 million pounds?

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Category:- Statistics and Probability
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