MB0040 – Statistics for Management
Descriptive:
1. Merits & demerits of GM.
2. Step by step procedure to identify the right statistics for the test.
3. Explain five important laws of sampling theory.
4. What are requisites of a good classification? Explain
Objective:
1. The sum of Bernouli trial follows _________ distribution.
Poisson Geometric
Normal Bionomial
2. ________ is defined as, “the measure of the average relationship between two or more variables in terms of the original units of the data”.
Regression Statistics
Correlation ANOVA
3. The probability that a bomb dropped on a bridge, will hit the bridge is 0.5. Eight bombs are dropped on the bridge. Find the probability that all bombs hit the bridge.
See Solved Problem 4 Page 270
4. Which of the following is not a type of bar chart:
Multiple Multiple Ogive
Percentages Subdivided
5. The mean of t-distribution is
Zero Undefined
Less than One One
6. State True of False:
Schedules make respondents record their answers.
A covering letter to the questionnaire brings confidence in respondents.
False, True
7. Answer to which of the following question is not related to the planning or budgeting exercise?
Where we are? How did we reach here?
Why we reached here? Where we ought to reach?
8. The range of standard normal distribution is:
0 to ¥ 0 to q
-¥ to +¥ -¥ to 0
9. Interval estimate is a ______of values used to estimate a population parameter.
Set Subset
Range Pair
10. The origin of statistics can be traced to
State Commerce
Economics Industry
11. The totality of all units or individuals in a survey is called Population or Universe.
12. The Chain Relative of current year is
(Average link relative of current year x Chain relative of previous year) /100
(Average link relative of current year – Chain relative of previous year) /100
(Average link relative of current year + Chain relative of previous year) /100
(Average link relative of current year / Chain relative of previous year) /100
13. While throwing a die, the events A = {2, 4, 6}, B= {3, 5} and C = {1} are _______.
Dependent Independent
Equally likely Mutually exclusive
14. ______ is an unbiased estimate of the mean of the population from which it was drawn.
Sample C.V. Sample mean
Population Variance None of the above
15. Laspeyre’s method is based on fixed weights of the _______year.
Base year base year price
Current year Current year price
16. Which of the following statement is most appropriate:
Nature believed in statistics Nature created statistics
Nature believed in variation Nature believed in symmetrical variation
17. ______ can’t be computed if any of the items is zero or negative
Harmonic Mean Geometric Mean
Arithmetic Mean Mode
18. The chi-square test is based on
Degrees of freedom Parameters
Frequencies Number of Observations
19. State True of False:
Price Index Number is useful to measure the change in purchasing power of currency, real income.
Price Index Number helps the government in formulating wage policy, price policy, taxation and general economic policies.
True, True
20. State True of False:
Long term movements in time series are called Secular Trend.
Variations that occur within a year are known as Irregular Variations
True, False
21. Non sampling error include:
Mistakes Bias
Both None
22. ______________ are called irregular movements:
Random variations Periodic variations
Long Term Growth Long Term Oscillation
23. State True or False
Tabulation presents the data in a minimum space.
Tabulation is a process of analysis
True, False
24. Given X= 2.14 (x bar), t=3.012, S=1.29, n=14, than the confidence interval for the population mean is
2.13.18 1.14.18
1.13.18 1.12.81
25. Coefficient of variation in % =
S.D/Mean (S.D/Mean) x 100
Mean/S.D (Mean/S.D) x 100
26. A graph in the form of steps is known as _____________.
27. When testing for the independence in a contingency table with 3 rows and 4 columns, how many the degrees of freedom will the test statistic have? (Page 408)
5 6
7 12
28. From the central limit theorem, we infer that the mean of the sampling distributions will be ______ the population mean.
Equal to less than
More than None
29. Different method gives different averages which are known as the _________.
30. Paasche’s price index method is based on current year’s quantities. Current year’s quantities are used as weights.
31. ________ refers to the size of the standard error of the statistics.
Efficiency Sufficiency
Bias Consistency
32. _______ is a subset of the sample space.
Event Subspace
Random Experiment None
33. The mean and variance of the “t” distribution are ______ & ________.
0, 1 0, Greater than 1
Greater than 1, Zero Greater than 1, Greater than 0
34. Algebraic sum of deviations of a set of values taken from their Arithmetic mean is
Positive Minimum
Maximum zero
35. Ratio Trend = (original data / trend value) x 100
36. When the sample size ‘n’ is larger than 30 & Population Standard Deviation is known, then for testing mean the test used is ___________.
T-Test z-test
F-Test Chi-square test
37. ________ is a statistical software package that was designed especially for the teaching of introductory statistics courses.
SPSS EView
JMP Minitab
38. Multiple bar diagram is a type of ___________.
The diagram which is used to show percentages break down is ________.
Ogives, piechart Graph, Multiple bar diagram
Barchart, piechart barchart, percentage bar diagram
39. ________ can be used to measure the type of correlation between two variables.
40. ________ divides the area under chi-square into two equal portion.
41. Which of the following is true about the Chi-Square distribution?
It is a skewed distribution
Its shape depends on the number of parameters
42. Analysis of variance is useful to test _____ equality of variance.
43. __________ test is carried out based on the result of the earlier test.
Z T
Post hoc Chi-Square
44. Characteristics of Chi-Square test
Additive property is found in X^{2} test.
X^{2} test is based on frequencies and not on parameters.
True / True
45. State True or False
Large sample size always results in minimising the standard error.
The principles of simple random sampling are the theoretical basis for statistical inference.
True, True
46. State True or False
F-ratio is always calculated with respect to mean square error.
The F-distribution curve depends on the degrees of freedom.
True, True
47. State True or False
Mean and standard deviation of Standard normal distribution are ‘1’ and ‘0’.
Mean, Median and Mode coincide in a Normal distribution.
False, True
48. Mean of binomial distribution is _______
Np npq
Np/q nq/p
49. If b_{xy}=0.521 & b_{yx}=1.3.92 than r=
0.966 0.699
0.492 0.554
50. A sample distribution is a distribution of a ________
Parameter Proportion
Mean Statistics
51. Calculate the harmonic mean of 9.7, 9.8, 9.5, 9.4, 9.7 (page 152)
52. Which of the following property is not a desirable property of a point estimation:
Consistency Efficiency
Sufficiency Bias
53. Two or more events are ____________if they have equal chance of occurrence.
Identical Independent
Equally Likely Mutually exclusive
54. Geometric mean of 2,4,8 (Page 146)
MB0039 – Business Communication
Descriptive:
1. Characteristics of communication.
2. Characteristics of non-verbal communication.
3. Explain any four types of listening
4. Explain different types of Corporate Advertising
Objective:
1. REDUNDANCIES refer to phrases which contain repetitive or unnecessary words to express the same meaning.
2. PROXEMICS is the communication term for personal space and distance.
3. Instant Messaging (IM) is a technology initially designed for having ONE-TO-ONE PERSONAL chat at workplaces.
4. WIFM stands for WHAT’s IN IT FOR ME
5. The word memo is a short form for memorandum, which is derived from the LATIN word.
6. PRESENTATION is an example for oral face to face communication.
7. Business letters are used primarily to communicate with EXTERNAL STAKEHOLDERS.
8. seven habits of highly effective people was given by STEPHEN CONVEY
9. Which among the following is a type of memo format? DEDUCTIVE ORGANIZATION
10. ELEMENTS are the key words that are used to express the main ideas.
11. RESEARCH REPORTS are the most complex and the longest of all reports.
12. UPWARD communication may be defined as information that flows from subordinates to superiors.