Coefficient of variation is calculated by the formula:
A. $$\frac{{\overline x }}{\sigma } \times 100$$
B. $$\frac{\sigma }{x} \times 100$$
C. $$\frac{{\overline x }}{\sigma }$$
D. $$\frac{\sigma }{x}$$
Answer: Option B
A. $$\frac{{\overline x }}{\sigma } \times 100$$
B. $$\frac{\sigma }{x} \times 100$$
C. $$\frac{{\overline x }}{\sigma }$$
D. $$\frac{\sigma }{x}$$
Answer: Option B
A. The central limit theorem
B. The law of statistical regularly
C. The law of inertia of large numbers
D. None of the above
The difference between sample statistic and its corresponding population parameter is
A. Sampling error
B. Measurement error
C. Coverage error
D. Non-response error
A. Both (A) and (R) are true
B. (A) is true, but (R) is false
C. (A) is false, but (R) is true
D. Both (A) and (R) are false
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