Random Sampling and Data Inferences

Quiz
•
Mathematics
•
7th Grade
•
Medium
Standards-aligned
Anthony Clark
Used 5+ times
FREE Resource
20 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Which city, Nashville or Dallas, has the lowest Q1?
Nashville
Dallas
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
The value found by adding up a set of data points and dividing by the total number of points.
Mean
Median
Mode
Data
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
A researcher asked five of his doctor friends if they thought the new Brand X medicine that he developed was effective. Four responded "yes." The researcher used the results to write a TV advertisement claiming that "4 out of 5 doctors prefer Brand X medicine." Is this a valid inference? Explain.
No, because the doctors asked are not a representative sample of the population of doctors.
No, because 4 doctors said yes out of 9 who were asked.
Yes, because the doctors asked are a representative sample of the population of doctors.
Yes, because 4 doctors said yes out of the 5 who were asked.
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
What inference can you draw from this survey?
I can infer that most students in this school like pizza.
I can infer that very few students like hamburgers.
I can infer that their favorite is corn dogs.
I can infer that most students in this school like hamburgers.
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Which method is most likely to produce a random sample of the members of your class?
listing the first six students that come to mind
choosing the five oldest students in the class
writing the name of each student on a separate piece of paper and then drawing these slips from a hat
selecting the first six students to arrive at class
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Sam tested every 50th candy bar from the assembly line to make sure there were enough peanuts in each bar. He found 15% did not have enough peanuts. How many candy bars do not have enough peanuts if the factory produces 20,000 candy bars?
300
3,000
300,000
50
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
A travel club has 3,000 members. A random sample of 50 of the club members found that 12 people like mountain vacations best. Which statement is NOT supported by the sample data?
Twenty-four percent of those sampled say they like mountain vacations best.
An estimated 720 club members would likely say they enjoy mountain vacations best.
Almost one-quarter of club members would likely say they enjoy mountain vacations best.
More than 2,500 club members would likely say they prefer other vacations over mountain vacations.
Create a free account and access millions of resources
Similar Resources on Wayground
21 questions
Sampling Techniques

Quiz
•
11th - 12th Grade
21 questions
Samples and Bias

Quiz
•
10th - 12th Grade
17 questions
Sampling techniques

Quiz
•
12th Grade
16 questions
Samples and Populations

Quiz
•
6th - 7th Grade
20 questions
Unit 3 Review: Sampling, bias, and experimental design.

Quiz
•
10th - 12th Grade
16 questions
AP Stats - Unit 1 Review

Quiz
•
10th - 12th Grade
15 questions
AACPS Statistical Analysis Sampling Methods

Quiz
•
9th - 12th Grade
17 questions
Sampling Methods

Quiz
•
10th - 12th Grade
Popular Resources on Wayground
15 questions
Hersheys' Travels Quiz (AM)

Quiz
•
6th - 8th Grade
20 questions
PBIS-HGMS

Quiz
•
6th - 8th Grade
30 questions
Lufkin Road Middle School Student Handbook & Policies Assessment

Quiz
•
7th Grade
20 questions
Multiplication Facts

Quiz
•
3rd Grade
17 questions
MIXED Factoring Review

Quiz
•
KG - University
10 questions
Laws of Exponents

Quiz
•
9th Grade
10 questions
Characterization

Quiz
•
3rd - 7th Grade
10 questions
Multiply Fractions

Quiz
•
6th Grade