The information below refers to the selling prices of homes sold in Warren, PA,
ID: 2922138 • 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?
How many homes sold for less than $210,000?
What is the relative frequency of the '210 up to 240' class?
Question 6 options:
What is the midpoint of the '300 up to 330' class?
Question 7 options:
None of the above
The selling prices range between what two amounts?
Question 8 options:
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
The given information refers to the selling prices of homes sold in Warren, PA, during 2007.
1 ) Class interval are nothing but the subdivisions within range of values
Option D )None of the above is correct
2 ) total homes were sold in 2007 = 7+20+35+22+18+11+7 = 120 ......( Answer )
Option B ) 120 is correct
3 ) number of homes sold for less than $210,000 = 7+20+35 = 62
Option A ) 62 is correct
4 )the relative frequency of the '210 up to 240' class is calculated as
Q 6 ) Relative Frequency can be calculated as
Relative frequency for class 210-240 = 0.1833 = 18.33%
OPtion B ) 18.33% is correct
Q 7 ) Midpoint of 300-320 class
Midpoint = (300000+320000)/2=31000
Option D) None of the above is correct
Class Freq Relative Freq 120-150 7 0.0583 150-180 20 0.1667 180-210 35 0.2917 210-240 22 0.1833 240-270 18 0.1500 270-300 11 0.0917 300-330 7 0.0583 total 120Related Questions
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