Describing Data on Dot Plots (pre-Test and
quiz)
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 correct answer The spread is from 1966 to 1987. Where is the peak of
the dot plot?Number of Blueberries in Each Bite correct answer1 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? correct answer3 What is the center of the data?Number of Laps Around
a Track The center is correct answer2 Where is the gap in the data?Number of Patients Per
Hour Who Waited Longer than 15 Minutes correct answer4 Which best describes the clusters
in the data set?Number of Fish in Each Tank at the Pet Store correct answer There are two
clusters, at 10 and 11, and at 13, 14, and 15. Which best describes the clusters in the data
set?Number of Ripe Tomatoes on Each Plant in the Nursery correct answer There is one
cluster at 12, 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 correct answer is a cluster at 1, 2, and 3. 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) correct answer The center is at $36. 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? correct answer2 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? correct answer0 has 8 dots, 1 has 3 dots, 2 has 3
dots, 3 has 5 dots, 4 has 0 dots, and 5 has 1 dot What is the spread of the data in the dot
plot?Number of Days It Was Sunny Each Week correct answer from 0 to 5 Which dot plot is
most strongly skewed right? correct answer0 has 6 dots, 1 has 8 dots, 2 has 5 dots, 3 has 2
dots,4 has 0 dots, and 5 has 3 dots. Which is a true statement about the dot plot?Ages of
Players on a Soccer Team correct answerThere are 11 players on the team.
quiz)
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 correct answer The spread is from 1966 to 1987. Where is the peak of
the dot plot?Number of Blueberries in Each Bite correct answer1 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? correct answer3 What is the center of the data?Number of Laps Around
a Track The center is correct answer2 Where is the gap in the data?Number of Patients Per
Hour Who Waited Longer than 15 Minutes correct answer4 Which best describes the clusters
in the data set?Number of Fish in Each Tank at the Pet Store correct answer There are two
clusters, at 10 and 11, and at 13, 14, and 15. Which best describes the clusters in the data
set?Number of Ripe Tomatoes on Each Plant in the Nursery correct answer There is one
cluster at 12, 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 correct answer is a cluster at 1, 2, and 3. 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) correct answer The center is at $36. 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? correct answer2 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? correct answer0 has 8 dots, 1 has 3 dots, 2 has 3
dots, 3 has 5 dots, 4 has 0 dots, and 5 has 1 dot What is the spread of the data in the dot
plot?Number of Days It Was Sunny Each Week correct answer from 0 to 5 Which dot plot is
most strongly skewed right? correct answer0 has 6 dots, 1 has 8 dots, 2 has 5 dots, 3 has 2
dots,4 has 0 dots, and 5 has 3 dots. Which is a true statement about the dot plot?Ages of
Players on a Soccer Team correct answerThere are 11 players on the team.
