Ginny Is 70 Years Old and Is Taking a Computer

question 648

Multiple Choice

Ginny is 70 years old and is taking a computer course at the local community college.She is learning to use the word processing feature on a computer and is attempting to "copy and paste" a section of text.As she attempts this procedure, she "talks" herself through the steps that her instructor taught her.To complete this task, Ginny is using

• A) an algorithm.
• B) a heuristic.
• C) insight.
• D) a random search strategy.

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Definitions:

Mean

The average of a set of numbers, calculated by dividing the sum of all the numbers by the count of numbers.

Standard Error

The standard deviation of the sampling distribution of a statistic, most commonly the mean; it is used to estimate the efficiency, accuracy, or precision of a sample-based estimate.

Sample Mean

The average value of a sample set of numbers, calculated by adding all the values together and dividing by the number of values.

Sampling Distribution

The probability distribution of a statistic based on a large number of samples or replicates.