Describing Data on Dot Plots (pre-Test and quiz)

Which dot plot is most strongly skewed right?

0 has 6 dots, 1 has 8 dots, 2 has 5 dots, 3 has 2 dots,4 has 0 dots, and 5 has 3 dots.

Edward works at a grocery store. He kept track of the number of coupons redeemed by the last 20 shoppers. The center of the dot plot was 1. No one redeemed 4 coupons. Most people did not redeem any coupons. Which dot plot displays this information correctly?

0 has 8 dots, 1 has 3 dots, 2 has 3 dots, 3 has 5 dots, 4 has 0 dots, and 5 has 1 dot

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

1

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

2

What is the center of the data?Number of Laps Around a Track The center is

2

The dot plot shows the number of raffle tickets bought by each person.Number of Raffle Tickets Bought Where is the peak of the dot plot?

3

Where is the gap in the data?Number of Patients Per Hour Who Waited Longer than 15 Minutes

4

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)

The center is at $36.

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

The spread is from 1966 to 1987.

Which is a true statement about the dot plot?Ages of Players on a Soccer Team

There are 11 players on the team.

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

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

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

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

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

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

What is the spread of the data in the dot plot?Number of Days It Was Sunny Each Week

from 0 to 5