Question

The following chart summarizes the selling price of homes sold last month in the Sarasota, Florida, area. a. What is the chart called? multiple choice Pie chart Histogram Cumulative frequency polygon Frequency polygon b. How many homes were sold during the last month? c. What is the class interval? d. About 75% of the houses sold for less than what amount? (Enter your answer in thousands.) e. One hundred seventy-five of the homes sold for less than what amount? (Enter your answer in thousands.)

Answer 1

The chart is a frequency polygon and represents the selling price of homes. The number of homes sold can be found by adding up the frequencies in the intervals. The class interval is the range of values in each interval.

Step-by-step explanation:

The chart in question is called a frequency polygon. It is a type of graph used to display the distribution of data in quantitative form. Each point on the graph represents the frequency of data falling within a particular interval or class.

To determine the number of homes sold during the last month, you need to add up the frequencies of all the intervals in the frequency polygon chart.

The class interval is the range of values represented by each interval in the frequency polygon. It can be calculated by subtracting the lower limit of an interval from the upper limit of the same interval.

To find what amount 75% of the houses sold for, you can look at the cumulative frequency of the polygon and identify the value that corresponds to the 75th percentile.

To determine the amount for which 175 homes sold, you need to look at the cumulative frequency polygon and find the class interval that contains the 175th frequency value.

Answer 2

Following are the solution to the given points:

Step-by-step explanation:

For question a:

The chart is called a cumulative frequency polygon.

For question b:

The total number of sold homes in last month= 250

For question c:

The class intervels are:

`\to 100-50 = 50`

For question d:

`\to` 240000 (75% of houses)

For question e:

`\to` 230000