We Intend to Estimate the Average Driving Time of a Group

question 35

Multiple Choice

We intend to estimate the average driving time of a group of commuters. From a previous study, we believe that the average time is 42 minutes with a standard deviation of 12 minutes. We wantour 99 percent confidence interval to have a margin of error of no more than plus or minus 3 minutes. What is the smallest sample size that we should consider?

• A) 11
• B) 319
• C) 9
• D) 107

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Definitions:

Lateralization

The tendency for some neural functions or cognitive processes to be specialized to one side of the brain or the other.

Perseveration

The repetition of a particular response (such as a word, phrase, or gesture) despite the absence or cessation of a stimulus.

Overimitation

The phenomenon where individuals replicate an action that is unnecessary for achieving a goal, often observed in children.

Scaffolding

An educational approach that involves providing support structures to facilitate a learner's ability to achieve tasks just beyond their current level of capability.