1. The table below presents the first languages of the sociology graduate students at a university.

First Language of Students	Frequency
English	14
French	12
Arabic	13
Hindi	17
Mandarin	4
N =	60

(a) Calculate the IQV for this variable

(b) How would you interpret the finding

2.Q5.Overtimeithasbeendemonstratedthatworkers atastate agencyprocessonaverage(mean)75 cases per year, with a standard deviation of 6 and that the distribution of case processing isnormal.

1. Whatpercentageof workerswouldyou expecttoprocessbetween75 and81casesperyear?
2. What percentage of workers would you expect to process fewer than 75 cases per year?
3. What percentage of workers would you expect to process more than 81 cases per year?