Kevin Needs to Sort a Table by the Table's First

question 28

Multiple Choice

Kevin needs to sort a table by the table's first column.He should do which of the following?

• A) Click Distribute Columns.
• B) Click AutoFit and then select the desired option.
• C) Modify the table properties.
• D) Click Sort and then select the desired option.

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Definitions:

E(XY)

The expected value of the product of two random variables X and Y, indicating their joint mean over all pairs of outcomes.

Marginal Probability

The probability of an event occurring, regardless of the outcomes of other variables; it is calculated by summing the probabilities of the event across all values of the other variables.

E(X + Y)

The expected value of the sum of two random variables, equal to the sum of their individual expected values.

Covariance

A measure that indicates the extent to which two variables change together, but does not indicate the strength of their relationship.