Frequency Distributions
Trending Questions
Q.
Calculate the mean and median for the following continuous frequency distribution.
Classfi 0−10610−20820−302030−402540−501550−601060−704
- 34.25, 32.4
- 34.20, 34
- 34.20, 32.1
- 34, 32.1
Q. If the frequencies of first four numbers out of 1, 2, 4, 6, 8 are 2, 3, 3, 2 respectively, then the frequency of 8 if their A.M. is 5, is
- 4
- 5
- 6
- none of these
Q.
A pie chart is to be drawn for representing the following data
Items of expenditureNumber of familiesEducation150Food and clothing400House rent40Electricity250Miscellaneous160
The value of the central angle for food and clothing would be
90∘
2.8∘
150∘
144∘
Q. What is the mean of the following data?
ValueFrequency0−20220−40360−80480−1001
ValueFrequency0−20220−40360−80480−1001
- 37
- 65
- 48
- 45