
Understanding Statistical Concepts and Measures
Interactive Video
•
Mathematics, Science, Biology
•
9th - 12th Grade
•
Practice Problem
•
Hard
Patricia Brown
FREE Resource
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10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the sample mean represented by in statistics?
σ
x̄
μ
M
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How do you find the median in a data set?
Add all numbers and divide by the count
Subtract the smallest number from the largest
Find the most frequent number
Sort the data and find the middle value
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What does a larger range in a data set indicate?
Lower mean
Higher mean
More variability
Less variability
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of the following is true about standard deviation?
It indicates data spread from the mean
It is the same as the range
It measures the average
It is affected by sample size
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
If two data sets have the same mean but different standard deviations, which is more reliable?
The one with a larger standard deviation
Reliability cannot be determined
The one with a smaller standard deviation
Both are equally reliable
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What does the standard error of the mean estimate?
The sample mean
The population mean
The sample size
The range of data
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
When error bars overlap in a graph, what does it indicate?
Higher variability
Statistically significant difference
Lower variability
No statistically significant difference
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