Q201
Open questionDD-MM-YY or MM-DD-YY or YY-MM-DD code is related with
Select an option to see the answer and solution.
Management · all questionsBusiness Statistics
Business Statistics
practice.
Practice every MCQ with options. Use Show answers when you want the correct option and solution.
382
Questions
11/20
Page
Pick an option on a question to see the right answer and solution.
Q202
Open questionA 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?
Select an option to see the answer and solution.
Q203
Open questionType of network includes
Select an option to see the answer and solution.
Q204
Open questionThe performance testing
Select an option to see the answer and solution.
Q205
Open questionA machine on an average produces 5% defective articles. What are the mean and standard deviation in sets of 100 articles?
Select an option to see the answer and solution.
Q206
Open questionWhich of the following statement is incorrect?
Select an option to see the answer and solution.
Q207
Open questionWhich of the following is/are reasons of MIS failure?
Select an option to see the answer and solution.
Q208
Open questionGiven X = 0.85y, Y = 0.89x, σz = 3, find σy
Select an option to see the answer and solution.
Q209
Open questionIn 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.
Select an option to see the answer and solution.
Q210
Open questionSuppose 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?
Select an option to see the answer and solution.
Q211
Open questionA researcher conduct a hypothesis test and observes values from sample mean and sample standard deviation when n = 25, that do not lead to rejection of null hypothesis. He calculates the p value as 0.0667. What will happen to the p value if he observes the same sample mean and standard deviation for a sample > 25?
Select an option to see the answer and solution.
Q212
Open questionThree helicopter crewmen are needed in an emergency. There are six crewmen on duty. In how many ways could three of them be chosen to fly the machine?
Select an option to see the answer and solution.
Q213
Open questionBinomial distribution is
Select an option to see the answer and solution.
Q214
Open questionMatch the following.
| List-I (Moments) | List-II (Constants of Binomial Distribution) |
| a. μ1 | 1. 3n2p2q2 + npq (1 - 6pq) |
| b. μ2 | 2. npq (q - p) |
| c. μ3 | 3. npq |
| d. μ4 | 4. 0 |
Select an option to see the answer and solution.
Q215
Open questionRegression coefficient is
Select an option to see the answer and solution.
Q216
Open questionStudent's t-test was developed by
Select an option to see the answer and solution.
Q217
Open questionWhich of following is/are characteristics of Karl Pearson's coefficient of correlation?
Select an option to see the answer and solution.
Q218
Open questionGiven
Y = Na + bY is
Y = Na + bY is
Select an option to see the answer and solution.
Q219
Open questionWhat is the probability of not happening of an event?
Select an option to see the answer and solution.
Q220
Open questionThe device used to estimating the value of one variable from the value of the other consists of a line through the points, drawn in such a manner as to represent the average relationship between the two variables, such a line is called the
Select an option to see the answer and solution.