a. How many homes were studied? b. What is the class interval? c. One hundred homes sold for less than what amount?

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$20.00 per hour?
20. The cumulative frequency and the cumulative relative frequency polygon for 3 ais-
tribution of selling prices ($000) of houses sold in the Billings, Montana, area is
shown in the graph.
200아
100
150
75
100
50
50
25
0 50
100
150
200
250
Selling Price ($000)
300
350
Scanned with CamScanner
NCY TABLES, FREQUENCY DISTRIBUTIONS, AND GRAPHIC PRESENTATION
43
a. How many homes were studied?
b. What is the class interval?
c. One hundred homes sold for less than what amount?
d. About 75% of the homes sold for less than what amount?
e. Estimate the number of homes in the $150,000 up to $200,000 class.
f. About how many homes sold for less than $225,000?
Frequency
Percent
Transcribed Image Text:$20.00 per hour? 20. The cumulative frequency and the cumulative relative frequency polygon for 3 ais- tribution of selling prices ($000) of houses sold in the Billings, Montana, area is shown in the graph. 200아 100 150 75 100 50 50 25 0 50 100 150 200 250 Selling Price ($000) 300 350 Scanned with CamScanner NCY TABLES, FREQUENCY DISTRIBUTIONS, AND GRAPHIC PRESENTATION 43 a. How many homes were studied? b. What is the class interval? c. One hundred homes sold for less than what amount? d. About 75% of the homes sold for less than what amount? e. Estimate the number of homes in the $150,000 up to $200,000 class. f. About how many homes sold for less than $225,000? Frequency Percent
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