Opal is collecting data on water levels in different parts of town. She notices that her sample data has a low-value outlier. Which statement must be true?

Removing the outlier will not change the spread of the graph of the data set.

Removing the outlier will not change the variance

of the data set.

Removing the outlier will increase the variance of the data set.

Removing the outlier will decrease the spread of the graph of the data set.

Question

Karissa Shields

Mathematics

15 September, 02:28

Opal is collecting data on water levels in different parts of town. She notices that her sample data has a low-value outlier. Which statement must be true?

Removing the outlier will not change the spread of the graph of the data set.

Removing the outlier will not change the variance

of the data set.

Removing the outlier will increase the variance of the data set.

Removing the outlier will decrease the spread of the graph of the data set.

+3

Answers (1)

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Rolando Choi · Answer 1

Opal is collecting data on water levels in different parts of town. She notices that her sample data has a low-value outlier. The statement which must be true is that removing the outlier will decrease the spread of the graph of the data set.