AnswersPA-Common Core Math 8 Q1Comparing Data Sets

Making Two-Way Tables Answers

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Ketut is organizing a barbecue for his parents. He knows that 13 of his mom’s friends prefer hot dogs and 9 of his dad’s friends prefer hamburgers. He organizes a two-way table to determine what he needs to buy. Which describes the variables he can use in the first row and first column of his table?

A
meal choice and number of mom’s friends
B
meal choice and number of guests
C
parent and number who prefer hot dogs
D
parent and meal choice
2
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Yvonne made the two-way table below showing students’ favorite fruits.Favorite Fruits ApplesBananasTotalClass A132033Class B 1634Total3137 According to the table, how may students in class B prefer apples?

A
13
B
16
C
18
D
20
3

An art teacher recorded whether the students in three of her classes prefer water color or oil painting. The art teacher plans to create a two-way table to analyze her results. Which variables can the art teacher use as the row and column headings of the table?

A
painting preference and total number of students
B
painting preference and number of students in class 1
C
class number and painting preference
D
class number and number who prefer oil
4

Mr. Cho made a two-way table to describe members of his family. Which could describe the row and column headings for Mr. Cho’s table?

A
whether the relative was born in Korea; whether the relative speaks Korean
B
whether the relative was born in Korea; what their favorite Korean meal is
C
what city in Korea is their favorite; whether the relative speaks Korean
D
what city in Korea is their favorite; what their favorite Korean meal is
5

Mrs. Suyata assigned her third- and fourth-period math classes into two study groups. Which describes the variables in the two-way table?Group Assignments Group 1Group 2Total3rd Period1814324th Period151732Total333164

A
period number and study group number
B
period number and group 1
C
study group number and period 3
D
study group number and total
6

Mr. Hanai recorded the outfit choices of the students for picture day from two periods. Which describes the variables in the two-way table?Outfits for School Pictures PantsSkirtTotal3rd Period3123544th Period233558Total5458112

A
type of outfit and total students
B
type of outfit and total students in third period
C
period number and type of outfit
D
period number and total students who wore pants
7

Grace conducted a study to show how many hours her dog sleeps after having one or two hours of exercise. She set up a two-way table in four different ways. Which table will best represent Grace’s data?

A
A 4-column table with 3 rows. Column 1 has entries less-than 6 hours of sleep, 2 hours of exercise, total. Column 2 is labeled greater-than 6 hours of sleep. Column 3 is labeled 1 hour of exercise. Column 4 is labeled total.
Option A
B
A 4-column table with 3 rows. Column 1 has entries 1 hour of exercise, greater-than 6 hours of sleep, total. Column 2 is labeled 2 hours of exercise. Column 3 is labeled less-than 6 hours of sleep. Column 4 is labeled total.
Option B
C
A 4-column table with 3 rows. Column 1 has entries 2 hour of exercise, greater-than 6 hours of sleep, total. Column 2 is labeled 1 hour of exercise. Column 3 is labeled less-than 6 hours of sleep. Column 4 is labeled total.
Option C
D
A 4-column table with 3 rows. Column 1 has entries 1 hour of exercise, 2 hours of exercise, total. Column 2 is labeled greater-than 6 hours of sleep. Column 3 is labeled less-than 6 hours of sleep. Column 4 is labeled total.
Option D
8

Subash created the two-way table below. Teams Team ATeam BTotalBoys151833Girls17 31Total3232 According to the table, how many girls were on team B?

A
14
B
15
C
17
D
18
9

Michal makes a table to show which of her friends have siblings. She counts 6 boys who have no siblings and 9 girls who have no siblings. She counts 10 friends who are boys and 18 friends who are girls. Which table correctly shows the data?

A
A 4-column table with 3 rows. Column 1 has entries boys, girls, total. Column 2 is labeled siblings with entries 6, 12, 18. Column 3 is labeled No siblings with entries 9, 1, 10. Column 4 is labeled total with entries 15, 13, blank.
Option A
B
A 4-column table with 3 rows. Column 1 has entries boys, girls, total. Column 2 is labeled siblings with entries 6, 9, 15. Column 3 is labeled No siblings with entries 12, 1, 13. Column 4 is labeled total with entries 18, 10, blank.
Option B
C
A 4-column table with 3 rows. Column 1 has entries boys, girls, total. Column 2 is labeled siblings with entries 4, 9, 13. Column 3 is labeled No siblings with entries 6, 9, 15. Column 4 is labeled total with entries 10, 18, blank.
Option C
D
A 4-column table with 3 rows. Column 1 has entries boys, girls, total. Column 2 is labeled siblings with entries 6, 4, 10. Column 3 is labeled No siblings with entries 9, 9, 18. Column 4 is labeled total with entries 15, 13, blank.
Option D
10

Lashaun decided to create a table to compare the number of students who arrive to school by car to the number who arrive by bus. If a two-way table is made to represent the data, which could be the row and column headings?

A
column: boy, girl; row: arrive by car, arrive by bus
B
column: boy, girl; row: arrive by car, total students in class
C
column: boy, girl; row: arrive by bus, total students in class
D
column: boy, girl; row: total students in class, total who arrive by car or bus

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