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Measure of disease frequecy

Total questions: 5

Worksheet time: 7mins

Name
Class
Date
1.

How many students have blood group A?

a)

a) 5

b)

b) 9

c)

c) 10

d)

d) 12

2.

Which blood group has the lowest frequency?

a)

a) A

b)

b) B

c)

c) O

d)

d) AB

3.

How many students scored less than 16 marks?

a)

a) 1

b)

b) 2

c)

c) 3

d)

d) 4

4.

Which score was achieved by the most students?

a)

a) 15

b)

b) 14

c)

c) 20

d)

d) 17

5.

If 80 patients out of 160 recover after treatment, what percentage of patients recover?

a)

a) 50%

b)

b) 80%

c)

c) 25%

d)

d) 60%