For the following questions answer them individually
The ratio of number of girls to boys in a school of 4860 students is $$53 : 55$$. How many more girls should be admitted to make the ratio $$1 : 1$$?
2650 boys and 1100 girls are examined in a test; 42% of the boys and 36% of the girls pass the test. The percentage of the total who failed is
Which power used in this situation, when the manager gives incentive to one employee for extra effort on a new project?
Which is the research method that combines both a longitudinal design and a cross-sectional design?
