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CDS || Elementary Mathematics || Statistics || Frequency Distribution || Quiz

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Question 1

Which of the following sequence have highest standard deviation.

Question 2

What is the algebraic sum of the deviations from the mean of a set of values  25, 65,73,75,83,76,17,15,7,14 ?

Question 3

Number of credit cards held by an individual can be treated as

Question 4

Consider the following statements :
1) The classes of type 15-19, 20-24, 25-29 etc. are exclusive classes.
2) The classes of type 15-20, 20-25, 25-30 etc. are inclusive classes.
Which of the above statements is/are correct?

Question 5

Suppose the class interval 10-15 has frequency 30, then what is the frequency density of this class interval?

Question 6

Mean of the following distribution is 15.

What is the value of f?

Question 7

Which one of the following is not correct?
The proportion of various items in a pie diagram is proportional to the

Question 8

A pie chart depicts the classification of total funds of an organization according to different sources of funds. A particular sector of pie chart for corporate tax has 108 angle at the centre. What is the percentage of income from corporate tax to total funds?
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Oct 27CDS & Defence