Does nobody know the answer. Why can't you help a needy. Is it so tough to answer!!
Kind attention:: to meritnation experts also Please solve it fast but in full steps 27. If x1,x2,...xn are n values of a variable x such that ∑i=1nxi-2=110and ∑i=1nxi-5. Find the value of and the mean
Here, in question it is given that the old mean is 300 while the certified answer says it is 30.
How is that possible. Hats off!
Q17. The mean of 100 items was found to be 300. If a the time of calculation two items were wrongly taken as 32 and 12 instead of 23 and 11, find the correct mean.
Ans.
12. The consumption of petrol for first 3 months is 88 litres and for next 9 months is 152 liters. Find the average consumption for the whole year.
Does nobody know the answer. Why can't you help a needy. Is it so tough to answer!!
Kind attention:: to meritnation experts also
Please solve it fast but in full steps
27.
Find the missing frequencies , if the mean is