I If a Frequency Distribution Is Open-Ended, the Variance Cannot

question 95

Multiple Choice

i. If a frequency distribution is open-ended, the variance cannot be determined. ii. The range cannot be computed for data grouped in a frequency distribution having an open end.
iii. The standard deviation is the positive square root of the variance

• A) (i), (ii) and (iii) are all correct statements
• B) (i) and, (ii) are correct statements but not (iii).
• C) (i) and, (iii) are correct statements but not (ii).
• D) (ii) and (iii) are correct statements, but not (i).
• E) (i), (ii) and (iii) are all false statements

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Definitions:

Proportion

A portion, segment, or quantity viewed in relation to its entire entity.

High School Graduates

High school graduates refer to individuals who have successfully completed the coursework and requirements of a secondary education program.

College Education

The process of learning and education that takes place at institutions of higher learning, typically after secondary education.

Standard Deviations

A measure of the amount of variation or dispersion of a set of values, indicating how much the values differ from the mean of the data set.