Which of the Following Problems Is Particularly Common for Data

question 96

Multiple Choice

Which of the following problems is particularly common for data that have been gathered over time?

• A) wrong granularity
• B) lack of integration
• C) lack of consistency
• D) missing values

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Definitions:

Z-statistic

A numerical indicator that shows how a specific value compares to the average of a dataset, expressed as the number of standard deviations away from the mean.

Two-tailed Test

A statistical hypothesis test in which the area of rejection is on both sides of the sampling distribution, allowing for testing in both directions.

Z-statistic

A statistical measure that quantifies the distance (in standard deviation units) a data point is from the mean of a distribution.

Two-tailed Test

A statistical test that considers both directions of an effect, testing the possibility of relationships in both positive and negative directions.