Class	10 - 25	25 - 40	40 - 55	55 - 70	70 - 85
f	6	20	44	?	3

If the mode of the above distribution is 48.6, then the missing frequency will be

A. The central limit theorem B. The law of statistical regularly C. The law of inertia of large numbers D. None of the above

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

A. 0 B. 1 C. 0.4 D. 0.8