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True /false If the number of observati...

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If the number of observations n is odd then the median is `(n+1)/2` observations

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The mean of 5 observations is 4.4 and their variance is 8.24. If three of the observations are 1, 2 and 6, then the other two observations are

For a distribution with odd number (n) of observations, the median is ............ th observation.

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Observe the following statements : (A) : 10 is the mean of a set of 7 obervations and 5 is the mean of a set of 3 observations. The mean of a combined set is 9. (R ) : If bar(x)_(i)(i = 1,2,…,k) are the means of k - series n_(i)(I = 1,2,3,…,k) respectively, then the combined or composite mean is bar(x) = (n_(1)bar(x)_(1) + n_(2) bar(x)_(2) + ...+ n_(k)bar(x_(k)))/(n_(1)+n_(2)+...+n_(k))

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SRS PUBLICATION-DATA HANDLING-QUESTION BANK
  1. True /false The difference between maximum and minimum values is mod...

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  2. True /false The observations which occurs most frequently in the giv...

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  3. True /false Data having two modes is called bimodal data.

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  4. True /false If the number of observations n is odd then the median i...

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  5. A cricketer scores the following runs in eight innings 58,76,40,35,46,...

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  6. your friend found themode of a given data describe and correct your fr...

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  7. Find the mean of the first five prime numbers.

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  8. Find the mean of the first ten natural numbers.

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  9. The monthly incomes of 7 graduates is ₹8000, ₹9000, ₹8200, ₹7900, ₹850...

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  10. Find the median of 49, 48, 15, 20, 28, 17, 14 and 110.

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  11. The marks (out of 100 ) obtained by a group of students in a science t...

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  12. The marks (out of 100 ) obtained by a group of students in a science t...

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  13. The marks (out of 100 ) obtained by a group of students in a science t...

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  14. Find the mode of 2,6,5,3,0,3,4,3,2,4,5,2,4,

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  15. Find the mode of 2,14,16,12,14,14,16,14,10,14,18,14

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  16. Find the mode of the following data : 12,14,12,16,15,13,14,18,19,12,14...

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  17. Say true or false and why? The difference between the largest and smal...

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  18. Say true or false and why? In a bar graph, the bar which has the great...

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  19. Say true or false and why? Value of every observation in the data set ...

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  20. Say true or false and why? The median of a set of numbers is always on...

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