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The mean of 40 observation was 160. It w...

The mean of 40 observation was 160. It was detected on re-checking that the value 165 wrongly copied as 125 for computation of mean. Find correct mean.

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The mean of 40 observations was 160. It was detected on rechecking that the value of 165 was wrongly copied as 125 for computation of mean.Find the correct mean.

The mean of 40 observations was 160. It was detected on rechecking that the value of 165 was wrongly copied as 125 for computation of mean.Find the correct mean.

The mean of 30 values was 150. It was detected on rechecking that one value 165 was wrongly copied as 135 for the computation of the mean. Find the correct mean.

The mean of 30 values was 150. It was detected on rechecking that one value 165 was wrongly copied as 135 for the computation of the mean. Find the correct mean. A)151 B)149 C)152 D)None of these

The mean of 10 observations was calculated as 40. It was detected on rechecking that the value of 45 was wrongly copied as 15. Find the correct mean.

The average height of 30 boys was calculated to be 150 cm. it was detected later that one value of 165 cm was wrongly copied as 135 cm for the computations of the mean. Find the correct mean.

The mean of 25 observations is 72. It was detected that one observation 53 was wrongly copied as 78. Find the correct mean.

The mean of 50 observations was 36. It was found later that an observation 48 was wrongly taken as 23. The corrected mean is

The means of 5 observations is 16. Find the sum of these observations.

The mean of 20 observation is 12. On checking, it was found that two observation were wrongly copied as 3 and 6. If wrong observation are replaced by correct values 8 and 4, then the correct mean is

RD SHARMA-DATA HANDLING 2-All Questions
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  2. If the mean of five observation x , x+2, x+4x+6, x+8 is 11, find the m...

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  3. The mean of 40 observation was 160. It was detected on re-checking tha...

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  4. Following table shows the points of each player scored in four games ...

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  5. Ashish studies for 4 hours, 5 hours and 3 hours respectively on thr...

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  6. A cricketer scores the following runs in eight innings: 58, 76, 40,...

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

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  8. The enrolment in a school during six consecutive years was as follo...

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  9. The rainfall (in mm) in a city on 7 days of a certain week was reco...

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  10. If the heights of 5 persons are 140 cm, 150 cm, 152 cm, 158 cm and ...

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  11. Find the mean of 994, 996, 998, 1002 and 1000

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  12. Find the mean of first five natural numbers.

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  13. Find the mean of all factors of 10.

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  14. Find the mean of first 10 even natural numbers.

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  15. Find the mean of x ,\ x+2,\ x+4,\ x+6,\ x+8

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  16. Find the mean of first five multiples of 3.

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  17. Following are the weights (in kg) of 10 new born babies in a hospit...

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  18. The percentage of marks obtained by students of a class in mathemat...

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  19. The number of children in 10 families of a locality are 2,4,3,4,2,0,3,...

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  20. The mean of marks scored by 100 students was found to be 40. Later ...

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