Question

The monthly salaries of a sample of 100 employees were rounded to the nearest $10. They ranged from a low of $1,040 to a high of $1,720. If we want to condense the data into seven classes, what is the most convenient class interval?a. $150b. $200c. $100d. $50

Answer 1

c. $100

Explanation:

For seven intervals starting from

1040

First interval will be $1040 to $1140

2nd interval will be $1140 to $1240

3rd interval will be $1240 to $1340

4rth interval will be $1340 to $1440

5th interval will be $1440 to $1540

6th interval will be $1540 to $1640

7th interval will be $1640 to $1740