
Sampling Methods and Population Estimation

Interactive Video
•
Mathematics
•
6th - 8th Grade
•
Hard

Thomas White
FREE Resource
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9 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the main focus of making predictions about a population from a sample?
To ensure every individual is surveyed.
To ignore the population and focus only on the sample.
To estimate the general trend or outcome for the population.
To determine the exact outcome for every individual.
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Why might Adalia and her friends choose to survey a sample rather than the entire population?
Surveying a sample is faster and more practical.
Surveying a sample gives exact results.
Surveying a sample is less reliable.
Surveying a sample is more expensive.
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Why is it important to define the population clearly when choosing a sample?
To ensure the sample is representative.
To make the process more complicated.
To exclude certain groups from the study.
To increase the sample size unnecessarily.
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In Miguel's research, what does the 'population' refer to?
A random group of students.
All students in the school.
Only the science students.
Only the math students.
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is a key factor in ensuring Morgan's survey results represent the entire town?
Using a random sample of voters.
Surveying only those in favor of her view.
Surveying the first voters she finds.
Surveying only her friends.
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How can a produce manager determine customer demand for organic food?
By asking every customer in the store.
By using a random sample of shoppers.
By only asking customers who buy organic food.
By guessing based on past sales.
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How is the number of voters predicted to favor the recycling center calculated?
By asking every voter in the town.
By using a proportion based on a sample.
By guessing based on past votes.
By only considering those who voted last time.
8.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In Derek's report, how is the number of seventh graders with cell phones estimated?
By only asking those in his class.
By asking every seventh grader.
By using a proportion from a sample.
By assuming all seventh graders have phones.
9.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which company is expected to produce the fewest defective batteries next month?
All companies will produce the same number.
Company C
Company B
Company A
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