Question

Here are the marks 18 students got in a Maths test.

46 65 54 57 62 73

73 47 69 48 63 68

55 48 58 71 76 70

a) Show this information in an

ordered stem and leaf diagram.

(3)

b) One of these students is chosen

at random.

What is the probability of picking

a student who scored above 65?

Key:

113 means

Total marks: 4

Answer 1

a)What is the probability of picking

a student who scored above 65? : 8/18=4/9

b)

Explanation: