In Each Group, Select the Sentence That Is Correctly Punctuated

question 37

Multiple Choice

In each group, select the sentence that is correctly punctuated.

• A) Emma is only fourteen; therefore she cannot take flying lessons.
• B) Emma is only fourteen therefore; she cannot take flying lessons.
• C) Emma is only fourteen; therefore, she cannot take flying lessons.

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Definitions:

Population Standard Deviation

The standard deviation of the entire population under study, representing the total variability within the population data.

Observed Z Value

A standardized statistic that represents the number of standard deviations a data point is from the mean of a distribution.

Sample Mean

The average value of a sample set of a population, used as an estimate of the population mean.

Population Average

The mean value of a particular characteristic in a specified population, representing a central tendency.