statistics MCQs – Page 49

Practise multiple-choice questions from statistics for competitive examinations and subject revision. Review each marked answer and report any item that may be outdated or unclear.

statistics Mcqs

1. sample linear regression 2. normal distribution 3. presentation of data 4. statistical inference 5. measures of location 6. basic statistics 7. correlation and regression 8. sampling 9. binomial and hyper geometric probability 10. index number 11. hypothesis testing 12. measures of dispersion

961. If the smallest observation in a data is decreased, the average which is not affected is______________?
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A. Harmonic mean

B. Mean

C. G.M.

D. Median

962. Group data formula for mode _______?
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A. 1+ fm f2/f1 f2 x h

B. 1+ f1 f2/f2 fm x h

C. 1 + fm f1/ (fm f1) + (fm1 f2) x h

D. 1+ fm1 f2/f1 fm x h

963. The median of the data 2, 4, 10, 8, 6 is _______________?
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A. 10

B. 5

C. None of these

D. 6

964. Quartiles, deciles are located from an ogive in a way________________?
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A. Quarlities

B. Mode

C. Median

D. G.M.

965. The mean of 5,5,5,5,5 is ______?
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A. 1

B. 5

C. 6

D. 10

966. If any value in the data is negative, then it is impossible to calculate _______?
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A. A.M.

B. H.M.

C. Mode

D. G.M.

967. G.M. are set of n values product of the nth roots of the ______________?
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A. Zero reject

B. None of these

C. All +ve, -Ve value

D. Given value

968. Average is good if it is easy to ____________?
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A. Capable

B. Change

C. Understand

D. Clear

969. Which of the following is not based upon all the observations _________?
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A. A.M.

B. Mode

C. G.M.

D. H.M.

970. Coded method of calculation is only used in ___________?
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A. A.M.

B. Combined mean

C. Median

D. None of these

971. If any value in the data is zero, then which of the following average vanishes_________?
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A. None of these

B. H.M.

C. A.M.

D. G.M.

972. The arithmetic mean _________ by 10 if 10 is added to all values?
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A. Decease

B. Increase

C. Largest

D. Smaller

973. Median is _______ than mean is a positive skewed distribution?
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A. Equal

B. lesser

C. Great

D. None of these

974. Deciles means are 1/( )?
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A. 1000

B. 10

C. 10000

D. 100

975. The sum of square of deviation is least when measured from ____________?
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A. Mode

B. Arbitrary value

C. G.M.

D. Mean

976. The frequent value of the data if it exists is called ________________?
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A. Quartiles

B. Median

C. Deciles

D. Mode

977. Sum of obsolete deviations from _____ is least?
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A. Median

B. Mean

C. Mode

D. Harmonic

978. We must arrange the data before calculating ______________?
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A. Median

B. G.M

C. Mean

D. Mode

979. If any value in the data is zero, then which of the following average vanishes ______________?
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A. None of these

B. G.M.

C. Mode

D. A.M.

980. The median of F,K,E, Q, U, E, N, C,Y, is ________?
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A. EFP

B. LEY

C. EUQ

D. EUP

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