Simon Is in His 50s and Is Completing a Test

question 358

Multiple Choice

Simon is in his 50s and is completing a test that involves an assessment of vocabulary as well as a timed test that requires Simon to put picture designs together. If we compare Simon's scores on these two tests to these same tests taken by Simon when he was 20, we would expect his

• A)score on the vocabulary test to have improved and his score on the picture design to have declined.
• B)score on the vocabulary test to have declined and his score on the picture design to have improved.
• C)his scores on both tests to have improved.
• D)his scores on both tests to have declined.

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Definitions:

Bernoulli Distribution

A probability distribution of a random variable that takes the value 1 with probability 'p' and the value 0 with probability '1-p'.

Pareto Distribution

A probability distribution used to describe phenomena in the natural and social sciences where a small proportion of occurrences leads to a large proportion of outcomes.

Lognormal Distribution

A continuous probability distribution of a random variable whose logarithm is normally distributed.

Joint Probability Distribution

A statistical measure that gives the likelihood of two or more events occurring simultaneously and the relationship between them.