Find the value of x² (chi-square) for the following information.

Class	A	B	C	D	E
Observed Frequency	8	29	44	15	4
Expected Frequency	7	24	38	24	7

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