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

question 139

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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