Assumed Mean Method
Trending Questions
Q. Given below is the concentration of SO2 in air(in ppm = parts per million) in 30 localities:
SO2 concentration (in ppm)Number of localities0.00−0.0440.04−0.0890.08−0.1290.12−0.1620.16−0.2040.20−0.242
Find the mean of SO2 concentration using assumed - mean method.
SO2 concentration (in ppm)Number of localities0.00−0.0440.04−0.0890.08−0.1290.12−0.1620.16−0.2040.20−0.242
Find the mean of SO2 concentration using assumed - mean method.
- 0.1
- 0.122
- 0.089
- 0.099
Q.
Find the mean of the first six even natural numbers?
Q.
The mileage (km per litre) of cars of the same model was tested by a manufacturer and details are tabulated as given below , Find the mean mileage. The manufacturer claimed that the mileage of the model was . Do you agree with this claim?
S.N | Mileage (km L-1) | Class –Marks (xi) | Number of cars (fi) |
Q. The weights (in kg) of 6 girls in a class are 68, 72, 65, 71, 61 and 62. Find the mean weight using the assumed mean method.
- 66.5 kg
- 69.33 kg
- 67 kg
- 68.66 kg
Q. In the assumed mean method, if A is the assumed mean, then deviation D is :
Q.
In the formula ¯x=A+∑FD∑D , the A stands for assumed mean.
True
False
Q. If the sum of the deviations of a set of values x1, x2, x3, …, xn measured from 50 is -10 and the sum of deviations of the values from 46 is 70, then the mean is:
- 50
- 49.75
- 49.5
- 49
Q. The number of goals scored by Lionel Messi in the La Liga for 6 seasons from 2011-17 are tabulated below. Find the mean number of goals scored per season using the assumed mean method.
SeasonNumberof goals2011−12502012−13462013−14282014−15432015−16262016−1737
SeasonNumberof goals2011−12502012−13462013−14282014−15432015−16262016−1737
- 35.4
- 38.3
- 41
- 39.5