Describing Data on Dot Plots

Question 1

What is the center of the data in the dot plot?Number of Science Homework Assignments Each Week

Revolt · Accepted Answer

3

Question 2

The dot plot shows the birth year of everyone who works at Sam’s office. The youngest person who works there was born in 1987. Sam described the data as having a spread from 1965 to 1987, four gaps, a peak at 1984, and a center of 1978. Where did Sam make an error?Birth Year of Employees

Revolt · Accepted Answer

The spread is from 1966 to 1987.

Question 3

The dot plot shows the number of emails Aaron sent his cousin each week. Number of Emails Each WeekWhere is the gap in the data?

Revolt · Accepted Answer

2

Question 4

What is the center of the data?Number of Laps Around a TrackThe center is

Question 5

The dot plot shows how much hairdressers in Margot’s area charge for a woman’s haircut. The least expensive cut is $25. Margot described the data as having a spread from $25 to $47, seven gaps, a cluster from $35 to $37, and a center of $37. Where did Margot make an error?Price of a Woman’s Haircut (in dollars)

Revolt · Accepted Answer

The center is at $36.

Question 6

Where is the peak of the dot plot?Number of Blueberries in Each Bite

Revolt · Accepted Answer

1

Question 7

Which is a true statement about the dot plot? Number of Rolls of a Six-Sided Number Cube to Get an Even Number

Revolt · Accepted Answer

There is a cluster at 1, 2, and 3.

Question 8

Which best describes the clusters in the data set?Number of Ripe Tomatoes on Each Plant in the Nursery

Revolt · Accepted Answer

There is one cluster at 12, 13, 14, and 15.

Question 9

Which best describes the clusters in the data set?Number of Fish in Each Tank at the Pet Store

Revolt · Accepted Answer

There are two clusters, at 10 and 11, and at 13, 14, and 15.

Describing Data on Dot Plots Answers

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