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
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