CBSE Class 10 Maths Statistics
Which of the following methods is used to calculate the mean if the size of class intervals is different?
The mean is the ___ value of a set of data.
The mean of observations 4, 9, 10, 12 is
- find the mean of 20 numbers such that if the mean of 8 of them is 10 and the mean of 10 of them is 12 the last two numbers are 8 and 12
- 9.If the mean of the following data is 91.Find the missing frequency :- C. I. Frequency 0-30. 12 30-60. 21 60-90. X 90-120. 52 120-150. Y 150-180. 11 Total 150
by assume mean method
- what is statistics
- assumed mean method
Write formula for find out the mean of the data using assumed mean
- Mean of 100 numbers was found to be 50. But later on, it was observed that one of the number 150 was wrongly taken as 50
- The arithmetic mean of the following frequency distribution is 50 .C.I 0-10 ,10-20, 20-30, 30-40,40-50.frequency: 16 p 30 32 14. Find the value of p
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