If the Mean and Standard Deviation for Grade Point Average

question 25

Multiple Choice

If the mean and standard deviation for grade point average are 2.0 and .5, respectively, the mean and standard deviation for weight are 100 and 20 respectively, and the r between GPA and weight is .00, what would be the best prediction of GPA for a person weighing 120 pounds?

• A) 1.5
• B) 2.0
• C) 2.5
• D) Need to know error of estimate data

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Definitions:

Identical Twins

Twins who are genetically identical because they were fertilized from one zygote that split into two, sharing exactly the same genetic material.

Genetics

The branch of biology that deals with heredity and variation in organisms.

Weight Similarities

The extent to which objects or individuals share a similar mass or heaviness, often considered in comparison or categorization tasks.

Sleep Deprivation

Sleep deprivation refers to the condition of not having enough sleep, which can negatively affect cognitive functions, mood, and overall health.