Sample and Inference

Quiz
•
Mathematics
•
7th Grade
•
Hard
Standards-aligned
Anthony Clark
FREE Resource
15 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Q1. How many red shirts do you have?
A) 5 red shirts
B) 17 red shirts
C) 40 red shirts
D) 83 red shirts
Tags
CCSS.7.RP.A.3
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
There are 400 students at Polly's school. She surveyed a random sample of 80 students to find their favorite hobby. 19 said they like to read. 30 said they like to be with friends. 8 said they like to do crafts. 23 said they like to play sports. Polly infers that doing crafts is the least popular hobby at her school. Refer to the data table. Polly surveys two more samples. Do the results from these samples support the inference made from the first sample?
Yes, the survey results support the inference that doing crafts is the least popular hobby at Polly's school.
No, the survey results does not support the inference that doing crafts is the least popular hobby at Polly's school.
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
The dot plots show how long it took students in Mr. Chauncey's two science classes to finish their science homework last night. Find the means to make an inference about the data.
The 1st period mean is 35. The 2nd period mean is 38.75. On average, it took students in the 1st period class slightly longer to finish their homework than it did the students in the 2nd period class.
The 1st period mean is 38.75. The 2nd period mean is 35. On average, it took students in the 1st period class slightly longer to finish their homework than it did the students in the 2nd period class.
The 1st period mean is 35. The 2nd period mean is 38.75. On average, it took students in the 2nd period class slightly longer to finish their homework than it did the students in the 1st period class.
The 1st period mean is 38.75. The 2nd period mean is 35. On average, it took students in the 2nd period class slightly longer to finish their homework than it did the students in the 1st period class.
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Litzy collects data from a random sample of 7th graders. Out of 40 respondents, 7 attend afterschool programs. Of the 200 7th graders attending Litzy's school, how many would be expected to attend afterschool programs?
14 7th graders
28 7th graders
35 7th graders
42 7th graders
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
The dot plot shows a random sample of the number of fish caught and released by 30 participants during a two-day fishing tournament. Select the inference that can be made based on the data collected.
On average, most participants caught and released 5 or more fish.
More participants caught 6 fish than any other number.
The same participants who caught and released 1 fish the first day caught and released 1 fish on the second day.
On average, participants caught and released more fish on Day 2.
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Brazil asks 7 classmates how many erasers and pens they carry in their bags. The mean number of erasers is 10. The mean number of pens is 4. What inference could Brazil make using this data?
Most of Brazil's classmates carry more pens than erasers in their bags.
All of Brazil's classmates carry more erasers than pens in their bags.
Most of Brazil's classmates carry more erasers than pens in their bags.
Most of Brazil's classmates carry similar amounts of erasers and pens in their bags.
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
If you compare the medians of each data set, who spends more time online?
Seventh graders
Eight graders
Both grades spend an equal amount of time online.
Impossible to determine form the data sets.
Create a free account and access millions of resources
Similar Resources on Wayground
20 questions
Sampling to Draw Inferences

Quiz
•
7th Grade - University
20 questions
13.8 Box & Whisker Plots #1

Quiz
•
9th Grade
16 questions
Math Statistics Review

Quiz
•
9th Grade - University
20 questions
Draw Inferences from Data Review

Quiz
•
7th Grade - University
20 questions
Inferences from Samples about Populations

Quiz
•
7th Grade - University
20 questions
Populations and Inferences

Quiz
•
7th Grade - University
20 questions
Data Analysis Math 7

Quiz
•
6th - 7th Grade
10 questions
Analyzing Data

Quiz
•
6th - 8th Grade
Popular Resources on Wayground
18 questions
Writing Launch Day 1

Lesson
•
3rd Grade
11 questions
Hallway & Bathroom Expectations

Quiz
•
6th - 8th Grade
11 questions
Standard Response Protocol

Quiz
•
6th - 8th Grade
40 questions
Algebra Review Topics

Quiz
•
9th - 12th Grade
4 questions
Exit Ticket 7/29

Quiz
•
8th Grade
10 questions
Lab Safety Procedures and Guidelines

Interactive video
•
6th - 10th Grade
19 questions
Handbook Overview

Lesson
•
9th - 12th Grade
20 questions
Subject-Verb Agreement

Quiz
•
9th Grade
Discover more resources for Mathematics
20 questions
One Step Equations All Operations

Quiz
•
6th - 7th Grade
5 questions
Absolute Value/Additive Inverse CYU

Quiz
•
7th Grade
34 questions
Math Review

Quiz
•
6th - 8th Grade
10 questions
Adding Rational Numbers

Quiz
•
7th Grade
20 questions
Absolute value

Quiz
•
7th Grade
8 questions
Number Sense Quiz Prep

Quiz
•
7th Grade
21 questions
Adding and Subtracting Integers

Quiz
•
7th Grade