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Google Advanced Data Analytics Professional Certificate • STUDY MODE

TEST YOUR KNOWLEDGE: INTRODUCTION TO CONFIDENCE INTERVALS

QUESTION 1 OF 3

Which of the following statements describes an interval estimate?

A
An interval estimate uses a range of values to estimate a sample statistic.
B
An interval estimate uses a range of values to estimate a population parameter.Correct Answer
C
An interval estimate uses a single value to estimate a population parameter.
D
An interval estimate uses a single value to estimate a sample statistic.
Explanation:

An interval estimate uses a range of values to estimate a population parameter.

QUESTION 2 OF 3

What is the maximum expected difference between a population parameter and a sample estimate?

A
Confidence level
B
Margin of errorCorrect Answer
C
Standard deviation
D
Range
Explanation:

Margin of error is the maximum expected difference between a population parameter and a sample estimate.

QUESTION 3 OF 3

A 95% confidence interval means that 95% of all the data values in the dataset fall within the interval.

A
FalseCorrect Answer
B
True
Explanation:

A 95% confidence level refers to the success rate of the estimation process, not that the values in the dataset fall within the interval. This is a common misconception.

Ready to test your recall?

Which of the following statements describes an interval estimate?

A
An interval estimate uses a range of values to estimate a sample statistic.
B
An interval estimate uses a range of values to estimate a population parameter.
C
An interval estimate uses a single value to estimate a population parameter.
D
An interval estimate uses a single value to estimate a sample statistic.

How confident are you in this answer?