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Measures of Central Tendency
48
Measures of Dispersion
49
Corelation and Regression
48
Introduction to Statistics
50
Statistical Inference
41
Probability Distribution
47
Sampling Techniques
47
Statistical Packages For Social Science
0
Statistical Methods
0
Business Statistics
576
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Data Classification and Presentation
The type of table in which study variables provides large number of information with interrelated characteristics is classified as
lower order table
manifold table
higher order table
both b and c
Author:
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Probability Distributions
In binomial distribution, the formula of calculating standard deviation is
square root of p
square root of pq
square root of npq
square root of np
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Measures of Central Tendency
The marks of 20 students out of 15 in class test are as 10, 11, 12, 12.5, 13.5, 14, 10, 11, 12, 12.5, 13.5, 14, 8, 9, 9, 8, 10, 11, 11.5, 12.5 then average marks of class is
12.25
11.25
13.25
14.25
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Introduction To Probability
The probability of the event A that does not occur in experiment is equal to
1 – P(A)
1 + P(A)
1 × P(A)
2 – P(A)
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Measures of Central Tendency
In an hospital in Boston (USA), the number of heart patients who visited cardiologist in 17 days are 11, 12, 15, 18, 17, 12, 14, 15, 16, 17, 18, 13, 19, 14, 18, 13, 20
15
14
16
15.5
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rikazzz
Comment
Business Statistics Basics
Considering the sample size, the sampling distribution standard error decreases when the
size of sample increases
size of sample decreases
margin of error increases
margin of error decreases
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Comment
Data Classification and Presentation
In the graphical representation of data, the ideographs are also called as
picto-graph
pictograms
symmetry graph
asymmetry graphs
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Comment
Measures of Central Tendency
The value of Σfd is 250, A= 25, number of observations are 12 and width of class interval is 6 then arithmetic mean is
25
250
150
275
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Comment
Measures of Central Tendency
The numerical value which shows the tendency around central value of cluster is classified as
central tendency
cluster tendency
group tendency
numerical tendency
Author:
rikazzz
Comment
Measures of Central Tendency
If the arithmetic mean is 25 and the harmonic mean is 15 then geometric mean is
17.36
16.36
15.36
19.36
Author:
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