Business Statistics

11

Yaties correction of continuity is

A) $${\chi ^2} = \frac{{N{{\left[ {\left( {ad - bc} \right) - \frac{1}{2}N} \right]}^2}}}{{\left( {a + c} \right)\left( {b + d} \right)\left( {a + b} \right)\left( {c + d} \right)}}$$ B) $${\chi ^2} = \frac{{\left( n \right)\left( {\sigma _s^2} \right)}}{{\sigma _0^2}}$$ C) $${\chi ^2} = \frac{{\sum {{\left( {{O_f} - {E_f}} \right)}^2}}}{{\sum f}}$$ D) None of the above

Discuss

Answer & Solution

Answer: Option A

No explanation is given for this question. Let's Discuss on Board

12

Which one among the following relates to the probability based sampling technique?

A) Quota sampling B) Snow ball sampling C) Stratified sampling D) Judgement sampling

Discuss

Answer & Solution

Answer: Option C

No explanation is given for this question. Let's Discuss on Board

13

Which of the following statements are true?

A) Secondary data is least helpful to develop questionnaires B) Secondary data is least helpful to formulate hypothesis C) Secondary data is least helpful in interpreting results D) Secondary data is least helpful in evaluating new products

Discuss

Answer & Solution

Answer: Option D

No explanation is given for this question. Let's Discuss on Board

14

A hypothesis that asserts that there is no true differencein the sample and the population in the particular matter under study is termed as

A) null hypothesis B) true hypothesis C) alternate hypothesis D) rejected hypothesis

Discuss

Answer & Solution

Answer: Option A

No explanation is given for this question. Let's Discuss on Board

15

. . . . . . . . errors are made when the test rejects a hypothesis which is true?

A) Type I B) Type II C) Both A and B D) None of these

Discuss

Answer & Solution

Answer: Option A

No explanation is given for this question. Let's Discuss on Board

16

Type of information includes

A) Control information B) Knowledge information C) Action Vs. no-action information D) All of the above

Discuss

Answer & Solution

Answer: Option D

No explanation is given for this question. Let's Discuss on Board

17

If the stock level ≤ then recorder level, then draw a purchase order of the quantity equal to the

A) EOQ B) CPM C) PERT D) BEP

Discuss

Answer & Solution

Answer: Option A

No explanation is given for this question. Let's Discuss on Board

18

The structured systems analysis develops . . . . . . . . of the system

A) Graphical model B) Logical model C) Conceptual model D) All of the above

Discuss

Answer & Solution

Answer: Option D

No explanation is given for this question. Let's Discuss on Board

19

Decision making using MIS is

A) Sequential in nature B) Exceedingly complex due to risks and trade offs C) Influenced by personal values D) All of the above

Discuss

Answer & Solution

Answer: Option D

No explanation is given for this question. Let's Discuss on Board

20

The . . . . . . . . that one of the several mutually exclusive events X₁, X₂, X₃, . . . . . . . . , X_n; shall happen is the sum of the probabilities of the individual events.

A) regression analysis B) correlation analysis C) probability D) error

Discuss

Answer & Solution

Answer: Option C

No explanation is given for this question. Let's Discuss on Board