AnswersConcepts in Probability and Statistics APlotting Data on a Dot Plot

Plotting Data on a Dot Plot Answers

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1
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Which is an example of a statistical question?QuestionsQuestion 1How old am I?Question 2How old is the teacher?Question 3How old will I be after my next birthday?Question 4How old are the students in math class?

A
question 1
B
question 2
C
question 3
D
question 4
2
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Which is an example of a non-statistical question?QuestionsQuestion 1Is Because of Winn-Dixie your favorite book? Question 2How many books has each student read in the last month?Question 3How many books does each student own? Question 4How many books did you read over the summer?

A
question 1
B
question 2
C
question 3
D
question 4
3

What are dot plots best used for?

A
Dot plots are best used to show a distribution of data.
B
Dot plots are best used to show answers to a non-statistical question.
C
Dot plots are best used to help you ask questions.
D
Dot plots are best used to help you tally data.
4

Which dot plot shows three people that sleep for eight hours at night and three people that sleep for six hours at night?

A
A dot plot titled How many Hours do you Sleep at Night question mark going from 5 to 9. 5 has 3 dots, 6 has 3 dots, 7 has 3 dots, 8 has 2 dots, and 9 has 3 dots.
Option A
B
A dot plot titled How many Hours do you Sleep at Night question mark going from 5 to 9. 5 has 3 dots, 6 has 2 dots, 7 has 3 dots, 8 has 3 dots, and 9 has 3 dots.
Option B
C
A dot plot titled How many Hours do you Sleep at Night question mark going from 5 to 9. 5 has 2 dots, 6 has 3 dots, 7 has 4 dots, 8 has 4 dots, and 9 has 1 dot.
Option C
D
A dot plot titled How many Hours do you Sleep at Night question mark going from 5 to 9. 5 has 2 dots, 6 has 3 dots, 7 has 4 dots, 8 has 3 dots, and 9 has 1 dot.
Option D
5

Which are examples of non-statistical questions?QuestionsQuestion 1What is Sasha’s favorite movie?Question 2What is Stacey’s favorite book? Question 3What is your favorite movie?Question 4What is your favorite book?

A
questions 1 and 2
B
questions 1 and 3
C
questions 2 and 4
D
questions 2 and 3
6

Look at the dot plot to answer the following question.How many more people started babysitting when they were 13 rather than 12?

Question illustration
A
3
B
6
C
12
D
13
7

Use the data on the dot plot to answer the question. How many people slept for less than seven hours?

Question illustration
Answer not available
8

Which questions are good examples of a statistical question? Check all that apply.

A
How many pets do you have?
B
Do you think a pet is a lot of work?
C
Do you like having a pet?
D
How many times a day do you feed your pet?
E
Do you feed your pet at night?
9

Sammi wanted to create a dot plot based on this tally chart. In which step, if any, did Sammi make a mistake creating his dot plot?Steps to Create a Dot PlotStep 1Create a number line.Step 2Title the Dot PlotStep 3Plot the Points

Question illustration
A
Sammi made a mistake in Step 1 because his number line did not include all numbers in the data set.
B
Sammi made a mistake in Step 2 because he chose a title without knowing if the table represents the number of hours read per week.
C
Sammi made a mistake in Step 3 because he did not correctly plot each dot above the appropriate place on the number line.
D
Sammi did not make a mistake.
10

Which is an example of a non-statistical question?QuestionsQuestion 1What did each person in our class have for lunch yesterday? Question 2What did each child in preschool have for lunch yesterday? Question 3What did Maria have for lunch today? Question 4What did each person in our class have for lunch today?

A
question 1
B
question 2
C
question 3
D
question 4
11

Petro made a tally chart shown below.Hours Spent Watching TVWhich would be a good statistical question based on the tally chart?

Question illustration
A
Did you watch four hours of TV today?
B
Did you watch TV today?
C
Did you watch five or six hours of TV today?
D
How many hours did you spend watching TV today?
12

Alexandra made a tally chart shown below.Which would be a good statistical question Alexandra could have used to create the tally chart?

Question illustration
A
How many people read three books in the last month?
B
How many people read one or two books in the last month?
C
Did you read in the last month?
D
How many books did you read in the last month?
13

Which dot plot matches the tally chart below?

Question illustration
A
A dot plot titled Pull-ups completed in one minute goes from 0 to 6. 0 has 0 dots, 1 has 2 dots, 2 has 5 dots, 3 has 3 dots, 4 has 1 dot, 5 has 2 dots, and 6 has 0 dots.
Option A
B
A dot plot titled Pull-ups completed in one minute goes from 0 to 6. 0 has 0 dots, 1 has 2 dots, 2 has 2 dots, 3 has 3 dots, 4 has 1 dot, 5 has 2 dots, and 6 has 0 dots.
Option B
C
A dot plot titled Pull-ups completed in one minute goes from 0 to 5. 0 has 0 dots, 1 has 2 dots, 2 has 5 dots, 3 has 3 dots, 4 has 1 dot, 5 has 0 dots.
Option C
D
A dot plot titled Pull-ups completed in one minute goes from 0 to 6. 0 has 0 dots, 1 has 2 dots, 2 has 5 dots, 3 has 3 dots, 4 has 1 dot, 5 has 1 dot, and 6 has 0 dots.
Option D
14

Which dot plot shows three TV’s in two houses?

A
A dot plot titled How many T V's Are in Your House going from 0 to 4. 0 has 1 dot, 1 has 2 dots, 2 has 3 dots, 3 has 2 dots, and 4 has 1 dot.
Option A
B
A dot plot titled How many T V's Are in Your House going from 0 to 4. 0 and 1 dot, 1 has 2 dots, 2 has 2 dots, 3 has 3 dots, and 4 has 1 dot.
Option B
C
A dot plot titled How many T V's Are in Your House going from 0 to 4. 0 has 0 dots, 1 has 3 dots, 2 has 2 dots, 3 has 3 dots, and 4 has 1 dot.
Option C
D
A dot plot titled How many T V's Are in Your House going from 0 to 4. 0 has 1 dot, 1 has 2 dots, 2 has 4 dots, 3 has 3 dots, and 4 has 1 dot.
Option D

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