Consider the following distribution:
| Class | Frequency |
|---|---|
| 0 – 20 | 17 |
| 20 – 40 | 28 |
| 40 – 60 | 32 |
| 60 – 80 | f |
| 80 – 100 | 19 |
If the mean of the above distribution is 50, what is the value of f?
Mathematics
2017
CDS Elementary Mathematics 2017
CDS 2017
Options
Similar Questions
Two dice each numbered from 1 to 6 are thrown together. Let A and B…
Two dice each numbered from 1 to 6 are thrown together. Let A and B…
An urn contains one black ball and one green ball. A second urn contains one…
An urn contains one black ball and one green ball. A second urn contains one…
What is the most probable number of successes in 10 trials with probability of success…