Statistics is sometimes misused by statisticians.
Statistics has hardly any limitations.
Statistics is indispensable in the management of business enterprises.
Statistics is of two types: descriptive and inferential.
Statistics is the science of counting.
Statistics is the science of averages.
Statistics is concerned with the collection, presentation and analysis of data leading to valid conclusions.
Statistics is the aggregate of facts.
Qualitative Method
Quantitative Method
Method depending on the nature of information required for a particular situation/ problem.
A & b
Choosing a suitable size or width of class intervals.
Establishing the boundaries of each class intervals.
Deciding an appropriate number of class groupings.
Classifying the data into the appropriate classes.
Minimum
Zero
Maximum
None of the rest options given here
Calculate the mean of two middle items in the data set
Arrange the data in ascending or descending order
Determine the relative weights of data values in terms of importance
None of the other given options
Extreme value in data affects the mean
Mean is also known as average
Some data sets do not have mean
At times weighted mean is much better than the simple mean
It is difficult to calculate
Only two points in the data set determines it
It is affected by extreme values
There may be considerable change in it from one sample to another
It is simple to understand.
It considers each & every item in a series.
It is capable of further algebric treatment.
The extreme items have less effect on its magnitude.
Mesokurtic
Platykurtic
Lapokurtic
None of the rest
Mode > mean
Mean > median
Mean < mode
Mean=mode=median
Mutually exclusive
Dependent
Independent
Both a & c
1/3
1/2
1/6
1
1/10
1/13
1/52
1/4
The standard error remains unchanged
The standard error increases
The standard error declines
None of the rest options
0
-1
1
.5
0 to -0.05
1 to 2
0.1 to 1
None of the rest options
-1
1
0.9
Both a & b
Remains the same
Increases
Decreases
Changes linearly
Cyclical
Trend
Seasonal
None of the rest options
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