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Google Advanced Data Analytics Professional Certificate • STUDY MODE

TEST YOUR KNOWLEDGE: THE ROLE OF STATISTICS IN DATA SCIENCE

QUESTION 1 OF 3

A data professional is analyzing real estate data. To estimate the mean rent of all the apartments in a large city, they calculate the mean rent of a random sample of 100 apartments. Which of the following best describes this statistical method?

A
Inferential statisticsCorrect Answer
B
A/B testing
C
Data cleaning
D
Descriptive statistics
Explanation:

This statistical method is inferential statistics, which makes inferences about a population based on a sample of the data.

QUESTION 2 OF 3

In statistics, a population can only include people.

A
True
B
FalseCorrect Answer
Explanation:

In statistics, a population can include people, objects, events, or measurements.

QUESTION 3 OF 3

The mean weight of an entire population of elephants is an example of which of the following concepts?

A
Measure of dispersion
B
ParameterCorrect Answer
C
Data visualization
D
Statistic
Explanation:

The mean weight of an entire population of elephants is an example of a parameter. A parameter is a characteristic of a population.

Ready to test your recall?

A data professional is analyzing real estate data. To estimate the mean rent of all the apartments in a large city, they calculate the mean rent of a random sample of 100 apartments. Which of the following best describes this statistical method?

A
Inferential statistics
B
A/B testing
C
Data cleaning
D
Descriptive statistics

How confident are you in this answer?