If Robs =

question 42

Multiple Choice

If robs = +.40, then percent of the variance in the scores of one variable is associated with variation in the other variable.

• A)40
• B)60
• C)16
• D)8

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Definitions:

Binomial Distribution

A probability distribution that summarizes the likelihood that a value will take one of two independent states and is based on a set number of trials.

Symmetric

A property of shapes, equations, or other objects that indicates two halves are mirror images of each other across a central line or point.

Daily Sales

The total revenue or number of items sold by a business during a single day.

Poisson Distribution

A probability distribution that measures the probability of a given number of events happening in a fixed interval of time or space, assuming events occur with a known constant mean rate and independently of the time since the last event.