PART I.

1-3. Consider the score distribution of 15 students given below: 83, 72, 87, 79, 82, 77, 80, 73, 86, 81, 79, 82, 79, 74, 74

1. The lower quartile is ___

a. 72

b. 74

c. 79

d. 86

2. What is the 75th percentile?

a. 73

b. 77

c. 79

d. 82

3. All EXCEPT one is not equivalent to 50th percentile

a. 5th decile

b. Q2

c. Median

d. lower quartile

4-5. The screen time (in minutes) spent per day by some senior citizens using their smartphones

CLASS INTERVAL ( in minutes)	Frequency (f)	Lower Boundaries
51-60	5	50.5	31
41-50	6	40.5	26
31-40	7	30.5	20
21-30	10	20.5	13
11-20	3	10.5	3

4. What is the total frequency?

a. 50

b. 31

c. 60

d. 51

5. Which class interval contains the 2nd quartile?

a. 21-30

b. 31-40

c. 41-50

d. 51-60

PART II.

A. Complete the frequency table