A. Mean and median
B. Mean and standard deviation
C. Range and variance
D. Mode and mean
Correct Answer:
Option C – Range and variance
Explanation
Range, interquartile range, and standard deviation are the three commonly used measures of dispersion.
Hypothesis Testing
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Sampling Error And Sampling Bias
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Sample And Sampling Techniques
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Sources Of Literature - Project Writing
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Research Proposal Vs Research Abstract - Educational Research
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