Business Statistics

1

DD-MM-YY or MM-DD-YY or YY-MM-DD code is related with

A) Accounting processing B) Data processing C) Transaction processing D) Human valuation

Discuss

Answer & Solution

Answer: Option B

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

2

A trader decides that he has surplus stocks of 9 different kinds of goods. He decides to make-up gift parcels, each to contain four different goods, which he will sell at a special price. How many different kinds of parcel may he produce?

A) 119 B) 126 C) 112 D) 130

Discuss

Answer & Solution

Answer: Option B

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

3

Type of network includes

A) Bus topology B) Star topology C) Ring topology D) All of these

Discuss

Answer & Solution

Answer: Option D

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

4

The performance testing

A) The last step of data operation B) The last of the systems testing where the optional performance of the system is tested C) The system of organisation D) The last of the organisation information

Discuss

Answer & Solution

Answer: Option B

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

5

A machine on an average produces 5% defective articles. What are the mean and standard deviation in sets of 100 articles?

A) 3.3 B) 2.2 C) 3.4 D) 3.7

Discuss

Answer & Solution

Answer: Option B

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

6

Which of the following statement is incorrect?

A) Dispersion gives the variability and spread of data B) The distance between the highest value and smallest value is range C) Coefficient of variation is a measure of relative dispersion D) Coefficient of variation relates variance and the mean of a distribution

Discuss

Answer & Solution

Answer: Option D

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

7

Which of the following is/are reasons of MIS failure?

A) The management information system does not provide that information which is needed by the managers but it tends to provide the information generally the function calls for. The MIS becomes an impersonal system B) The management information system is conceived as a data processing and not as an information processing system C) The management information system is developed without streamlining the transaction processing systems in the organisation D) All of the above

Discuss

Answer & Solution

Answer: Option D

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

8

Given X = 0.85y, Y = 0.89x, σ_z = 3, find σ_y

A) 3.07 B) 2.03 C) 4.06 D) 1.03

Discuss

Answer & Solution

Answer: Option A

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

9

In a medical test, where the null hypothesis is 'the patient does not have the disease' and the alternative hypothesis is 'the patient has the disease'. Suppose a patient has a disease and needs treatment. In the hypothesis testing process, which of the following error is more serious than the others.

A) Type I error B) Type II error C) Both A and B D) r error

Discuss

Answer & Solution

Answer: Option B

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

10

Suppose on an average 1 house in 1000 in a certain district has a fire during a year. If there are 2000 houses in that district what is the probability that exactly 5 houses will have a fire during the year?

A) 0.12 B) 0.48 C) 0.36 D) 0.42

Discuss

Answer & Solution

Answer: Option C

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