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# (Solved) MATH225N Week 2 Assignment Frequency Tables and Histograms

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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

Question

Given the following histogram for a set of data, how many values in the data set are greater thanÂ 5.5Â but less thanÂ 8.5?

Question

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

How many of those students held their breath greater thanÂ 12.5Â and less thanÂ 15.5Â seconds?

Question

Describe the shape of the given histogram.

• uniform
• unimodal and symmetric
• unimodal and left-skewed
• unimodal and right-skewed
• bimodal

Question

Describe the shape of the given histogram.

• uniform
• unimodal and symmetric
• unimodal and left-skewed
• unimodal and right-skewed
• bimodal

Question

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

Which histogram accurately summarizes the data?

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

Question

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

How many of those bicyclists were traveling at leastÂ 8.5Â and less thanÂ 11.5Â mph as they were approaching the hill?

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?

• uniform
• unimodal and symmetric
• unimodal and left-skewed
• unimodal and right-skewed
• bimodal

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

Question

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