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The information below refers to the selling prices of homes sold in Warren, PA,

ID: 2922184 • Letter: T

Question

The information below refers to the selling prices of homes sold in Warren, PA, during 2007.

Selling Price

Frequency

120,000 up to 150,000

7

150,000 up to 180,000

20

180,000 up to 210,000

35

210,000 up to 240,000

22

240,000 up to 270,000

18

270,000 up to 300,000

11

300,000 up to 330,000

7

What is the class interval?

None of the above

How many total homes were sold in 2007?

Selling Price

Frequency

120,000 up to 150,000

7

150,000 up to 180,000

20

180,000 up to 210,000

35

210,000 up to 240,000

22

240,000 up to 270,000

18

270,000 up to 300,000

11

300,000 up to 330,000

7

Explanation / Answer

Class interval = 150000 - 120000 = 30000
Option (C) is correct

total homes sold = 7 + 20 + 35 + 22 + 18 + 11 + 7 = 120
Option (B) is correct