For a . . . . . . . . distribution, mean, median and mode coincide.
A. Symmetrical
B. Asymmetrical
C. Ungrouped
D. None of the above
Answer: Option A
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The data which do not give any useful information rather confuse our mind are called
A. Raw data
B. Ungrouped data
C. Either A or B
D. None of the above
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B. Arithmetic mean
C. Median
D. None of the above
Alternate forms reliability is also known as
A. Parallel-forms reliability
B. Equivalent forms reliability
C. Comparable forms reliability
D. All of the above
A. Case histories
B. Tests
C. Surveys
D. None of the above
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