Statistics And Quantitative Methods! Trivia Quiz
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- 1.Which of the following statements about statistics is not correct?
- A.
Statistics is sometimes misused by statisticians.
- B.
Statistics has hardly any limitations.
- C.
Statistics is indispensable in the management of business enterprises.
- D.
Statistics is of two types: descriptive and inferential.
- 2.Which of the following statements describes "Statistics" most appropriately?
- A.
Statistics is the science of counting.
- B.
Statistics is the science of averages.
- C.
Statistics is concerned with the collection, presentation and analysis of data leading to valid conclusions.
- D.
Statistics is the aggregate of facts.
- 3.Which of the following is the most accurate method of classifying data?
- A.
Qualitative Method
- B.
Quantitative Method
- C.
Method depending on the nature of information required for a particular situation/ problem.
- D.
A & b
- 4.The first step in the formation of a frequency table is?
- A.
Choosing a suitable size or width of class intervals.
- B.
Establishing the boundaries of each class intervals.
- C.
Deciding an appropriate number of class groupings.
- D.
Classifying the data into the appropriate classes.
- 5.The sum of deviations taken from arithmatic mean is?
- A.
Minimum
- B.
Zero
- C.
Maximum
- D.
None of the rest options given here
- 6.When calculating median of data set, the first step is:
- A.
Calculate the mean of two middle items in the data set
- B.
Arrange the data in ascending or descending order
- C.
Determine the relative weights of data values in terms of importance
- D.
None of the other given options
- 7.Which of the following statements is not correct?
- A.
Extreme value in data affects the mean
- B.
Mean is also known as average
- C.
Some data sets do not have mean
- D.
At times weighted mean is much better than the simple mean
- 8.Which of the following statement is not correct in respect of the range as a measure of dispersion?
- A.
It is difficult to calculate
- B.
Only two points in the data set determines it
- C.
It is affected by extreme values
- D.
There may be considerable change in it from one sample to another
- 9.Which of the following is not true in respect of mean deviation?
- A.
It is simple to understand.
- B.
It considers each & every item in a series.
- C.
It is capable of further algebric treatment.
- D.
The extreme items have less effect on its magnitude.
- 10.Which of the curves is more peaked than the normal curve?
- A.
Mesokurtic
- B.
Platykurtic
- C.
Lapokurtic
- D.
None of the rest
- 11.In a symmetrical series:
- A.
Mode > mean
- B.
Mean > median
- C.
Mean < mode
- D.
Mean=mode=median
- 12.If the outcome of one event doesnot influence another event, then the two events are:
- A.
Mutually exclusive
- B.
Dependent
- C.
Independent
- D.
Both a & c
- 13.What is the probability of getting an even number when a die is tossed?
- A.
1/3
- B.
1/2
- C.
1/6
- D.
1
- 14.What is the probability of drawing an ace from a bunch of playing cards?
- A.
1/10
- B.
1/13
- C.
1/52
- D.
1/4
- 15.When the sample size increases, which of the following is correct?
- A.
The standard error remains unchanged
- B.
The standard error increases
- C.
The standard error declines
- D.
None of the rest options
- 16.When the two regression lines coincide, then "r" is:
- A.
0
- B.
-1
- C.
1
- D.
.5
- 17.What will be the range of "r" when we find that the dependent variable increases as the independent variable increases?
- A.
0 to -0.05
- B.
1 to 2
- C.
0.1 to 1
- D.
None of the rest options
- 18.Which of the following correlation coefficients shows the highest degree of association?
- A.
-1
- B.
1
- C.
0.9
- D.
Both a & b
- 19.When the correlation coefficient between x and y is positive, then as variable x decreases, variable y :
- A.
Remains the same
- B.
Increases
- C.
Decreases
- D.
Changes linearly
- 20.Which of the following components is used for a short-term forecast?
- A.
Cyclical
- B.
Trend
- C.
Seasonal
- D.
None of the rest options
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