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## Description

1.Question

Randomly selected adults at a coffee shop were asked how many hours they work in a typical workday.  The results are tabulated in the following frequency table.

Which histogram accurately summarizes the data?

 Value Frequency 4 2 5 1 6 4 7 2 8 1 9 4 10 10

Ans:

2.Question

A student surveys his class and creates a histogram showing the number of pets in each student’s house. What is the shape of the distribution? • uniform
• unimodal and symmetric
• unimodal and left-skewed
• unimodal and right-skewed
• Bimodal

3.Question

Given the following histogram for a set of data, how many values in the data set are greater than 5.5 but less than 8.5? 4.Question

The students in a first-grade class were all asked to time how long (in seconds) they could hold their breath.  The results were tallied and are presented in the following histogram.

How many of those students held their breath greater than 12.5 and less than 15.5 seconds? 5.Question

Describe the shape of the given histogram. • uniform
• unimodal and symmetric
• unimodal and left-skewed
• unimodal and right-skewed
• bimodal

6.Question

Describe the shape of the given histogram. • uniform
• unimodal and symmetric
• unimodal and left-skewed
• unimodal and right-skewed
• bimodal

7.Question

Randomly selected individuals at a fashion store were asked how many fashion accessories they currently own. The results are displayed in the following frequency table.

Which histogram accurately summarizes the data?

 Value Frequency 8 3 9 2 10 4 11 3 12 0 13 4 14 2 15 5 16 10

8.Question

The speed (in mph) of randomly selected bicyclists were measured as they were approaching a hill.  The results are presented in the following histogram.

How many of those bicyclists were traveling at least 8.5 and less than 11.5 mph as they were approaching the hill? 9.Question

A professor gave students a test, and the distribution of the scores of the students is shown in the histogram below. What shape does the distribution have? • unimodal and symmetric
• unimodal and left-skewed
• unimodal and right-skewed
• bimodal

10.Question

The histogram below represents the prices of digital SLR camera models at a store. Describe the shape of the distribution. • uniform
• unimodal and symmetric
• unimodal and left-skewed
• unimodal and right-skewed
• bimodal

11.Question

Several people were asked to report the number of hours of sleep they average per night.  The results are shown in the histogram below.  How many of those people average greater than 4.5 and less than 6.5 hours of sleep per night?  