Business Statistics - Practice Test

[#196] Which of the following can be used to determine correlation?

(A) Simple graphical method

(B) Karl Pearson's coefficient

(C) Least square method

(D) All of the above

Correct Answer

(D) All of the above

[#197] About normal distribution the correct statement is

(A) Normal distribution is a continuous probability distribution

(B) Range of normal distribution is from $$ - infty $$ to $$ + infty $$

(C) Normal distribution is perfectly symmet rical

(D) All of the above

Correct Answer

(D) All of the above

[#198] For t-test the assumptions is

(A) Parent population is normal in nature

(B) Sample is not random in nature

(C) Population standard deviation is given

(D) Both the population have same variance

Correct Answer

(A) Parent population is normal in nature

[#199] MIS feasibility study does not include . . . . . . . . feasibility.

(A) economic

(B) mechanical

(C) technical

(D) operational

Correct Answer

(B) mechanical

[#200] Yaties correction of continuity is

(A) $${chi ^2} = frac{{N{{left[ {left( {ad - bc} ight) - frac{1}{2}N} ight]}^2}}}{{left( {a + c} ight)left( {b + d} ight)left( {a + b} ight)left( {c + d} ight)}}$$

(B) $${chi ^2} = frac{{left( n ight)left( {sigma _s^2} ight)}}{{sigma _0^2}}$$

(C) $${chi ^2} = frac{{sum {{left( {{O_f} - {E_f}} ight)}^2}}}{{sum f}}$$

(D) None of the above

Correct Answer

(A) $${chi ^2} = frac{{N{{left[ {left( {ad - bc} ight) - frac{1}{2}N} ight]}^2}}}{{left( {a + c} ight)left( {b + d} ight)left( {a + b} ight)left( {c + d} ight)}}$$

Business Statistics - Study Mode

[#196] Which of the following can be used to determine correlation?

Correct Answer

[#197] About normal distribution the correct statement is

Correct Answer

[#198] For t-test the assumptions is

Correct Answer

[#199] MIS feasibility study does not include . . . . . . . . feasibility.

Correct Answer

[#200] Yaties correction of continuity is

Correct Answer