Exam Details
2020 Statistics Paper - I
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Questions
80
Duration
180 mins
Package
National Defence Academy and Naval Academy Examination (I) & (II) - Previous Year Papers
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80questions
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27
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Medium
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Hard
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80questions
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2020 · Unclassified
2020 Statistics Paper - I
The value of the Kolmogorov-Smirnov statistic to test whether the observations 0·32, 0·16, 0·98, 0·16 and 0·08 arise from a U(0, 2) population is
2020 · Unclassified
2020 Statistics Paper - I
Given the following contingency table :
Material
Number A B C D E Total
Leaked 36 22 X1 X2 42 200
Not leaked 90 Y 46 78 168 400
It is known that column total for material C and D are same. Then values of X1, X2 and Y are respectively
[IMAGE]
2020 · Unclassified
2020 Statistics Paper - I
In a clinical trial, n randomly chosen persons were enrolled to examine whether two different skin creams, A and B, have different effects on the human body. Cream A was applied to one of the randomly chosen arms of each person, cream B to the other arm. Which statistical test is to be used to examine the difference?
[Assume that the response measured is a continuous variable]
2020 · Unclassified
2020 Statistics Paper - I
If X ~ F(5, 10), then consider the following statements :
1. E(X) > 1
2. Mode of X > 1
Which of the above results is/are correct ?
2020 · Unclassified
2020 Statistics Paper - I
In 30 tosses of a coin, the following sequence of heads (H) and tails (T) is obtained as H T T H T H H H T H H T T H T H T H H T H T T H T H T. The number of runs is
2020 · Unclassified
2020 Statistics Paper - I
A manufacturer claims that the lifetime of its product is more than 250 hours. To verify its claim based on 24 randomly observed lifetimes, which one of the following tests can be used ?