
Sampling and Mean Estimation Concepts
Interactive Video
•
Mathematics, Science, Statistics
•
6th - 7th Grade
•
Practice Problem
•
Hard
Thomas White
FREE Resource
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10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the main goal when taking multiple samples from a population?
To ensure all samples are identical
To find the largest sample mean
To get a mean closer to the population mean
To reduce the number of samples needed
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Why might two different samples from the same population have different means?
Due to random selection of different individuals
Because they are taken at different times
Due to errors in calculation
Because one sample is larger than the other
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In the activity with TV show viewers, what was the purpose of using 100 samples?
To confuse the students
To ensure all samples have the same mean
To reduce the number of samples needed
To better estimate the population mean
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What does a dot plot help you estimate in the context of sampling?
The population mean
The exact number of samples
The mode of the samples
The median of the samples
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How does increasing the sample size affect the sample mean?
It increases the variability of the sample mean
It makes the sample mean less accurate
It makes the sample mean closer to the population mean
It has no effect on the sample mean
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What was the estimated mean distance baseball fans were willing to travel?
64 miles
80 miles
50 miles
70 miles
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In the school concert example, what was the mean age of the population?
30 years
35 years
45 years
40 years
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