Describing and Comparing Data with Histograms…

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A college student would like to investigate the prices of sandwiches offered near the campus. A sample of 50 shops that sell sandwiches near the campus was taken and the price they charge for a large sandwich was recorded. The results are displayed in the cumulative relative frequency histogram below.

The distribution of sandwich prices is skewed left.

The interval from $9 to $10 contains the largest number of sandwich prices.

About 62 percent of sandwich shops sell their large sandwich for between $10 and $11.

More sandwich shops sell a large sandwich for $12 to $13 dollars than for $10 to $11.

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A fire department’s response time measures the time from when the alarm is sounded at the firehouse to the time the first fire engine leaves the station. The histograms below display the response times for fire departments in two small towns: Hilltown and Crestview.Which of the following correctly compares the variability in response times for the two towns?

Hilltown and Crestview show similar variability in their response times.

The variability in Hilltown’s response times is less than that of Crestview.

The median response time in Crestview is greater than that of Hilltown.

The variability in Hilltown’s response times is greater than that of Crestview.

The graph below displays a fire department’s response time, which measures the time from when the alarm is sounded at the firehouse to the time the first fire engine leaves the station.