HP Statistical Assistant-2018 Part-5

HP Statistical Assistant-2018 Solved Paper Question 41-50

HP Statistical Assistant-2018 Solved Paper Question 41-50

Himachal Pradesh Subordinate Service Selection Board Hamirpur conducted Himachal Pradesh Statistical Assistant-2018 Exam-2018.

Exam name : Himachal Pradesh Statistical Assistant
Total Question: 170
Conducted By: Himachal Pradesh Subordinate Service Selection Board Hamirpur (HPSSSB)
Total Marks: 85
Time : 2 Hours
All questions are compulsory
One question carries half mark only

Question 41-50

Question : 41

The range based on middle 50% of the observations is called

[A].   quartile deviation 
[B].   interquartile deviation
[C].   interquartile range 
[D].   None of these


Question : 42

For symmetrical distribution which of the following is true ?

[A].   Median – Q1 = Q3 – Median 
[B].   Mode – Q1 = Q3 – Median
[C].   Mean – Q1 = Q3 – Mode 
[D].   None of these


Question : 43

Arithmetic mean of a group of 100 items is 50 and of another group of 150 items is 100. What will be the mean of all items ?

[A].   75 
[B].   100 
[C].   80 
[D].   None of these


Question : 44

Given mode = 22 and Median = 214. Find out the average mean.

[A].   21.1 
[B].   21.4 
[C].   22.1 
[D].   22.4


Question : 45

In a moderately asymmetrical distribution, the mode and mean are 42 and 40 respectively. The median is

[A].   39 
[B].   40.67 
[C].   38 
[D].   41.02


Question : 46

Which of the following is a relative measure of dispersion ?

[A].   Standard Deviation 
[B].   Variance
[C].   Coefficient of Variation 
[D].   None of these


Question : 47

Arithmetic mean of 98 items is 50. Two items 60 and 70 were left out at the time of calculation. What will be the correct mean of all the items ?

[A].   50.2 
[B].   50.3 
[C].   49.9 
[D].   50.9


Question : 48

Curve of normal distribution is

[A].   Symmetrical 
[B].   Perfectly symmetrical
[C].   Asymmetrical 
[D].   None of these


Question : 49

Not rejecting null hypothesis, when it is in fact false is

[A].   Type I error 
[B].   Type II error
[C].   Two tailed error 
[D].   None of these


Question : 50

The level of significance is the probability of committing

[A].   Type I error 
[B].   Type II error 
[C].   Type III error 
[D].   None of these




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