In Analyzing Big Data, There Is a Shift from Focusing

question 12

True/False

In analyzing big data, there is a shift from focusing largely on outliers to also focusing on aggregates.

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Definitions:

Chi-squared Distribution

A statistical distribution used extensively in hypothesis testing, particularly in tests of independence and goodness-of-fit.

Contingency Table

A table used in statistics to show the distribution of one variable in rows and another in columns, useful for analyzing the relationship between two categorical variables.

Test Statistic

A value, derived from sample data, that is used in a hypothesis test to determine whether to reject the null hypothesis.

Chi-squared Statistic

A measure used in statistics to evaluate the goodness of fit between observed values and those expected theoretically.