Q.2 In a specific year the distribution of ages (in years) of primary teachers are given:Age (in years)15 2020 2525 -3030-3535- 4040 4545 50Number of Teachers1030505030i. What is the lower limit of third class interval.ii. What are the limits of fifth class interval.iii. What is the class mark of class 45-50.

Q.2 In a specific year the distribution of ages (in years) of primary

1.	Q.2 In a specific year the distribution of ages (in years) of primary teachers are given:Age (in years)15 2020 2525 -3030-3535- 4040 4545 50Number of Teachers1030505030i. What is the lower limit of third class interval.ii. What are the limits of fifth class interval.iii. What is the class mark of class 45-50.
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