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Question 1
29749

A teacher conducted two tests of mathematics in a class the result are shown in the following graph.

a) How many students are there in the class?
b) What is the mean of marks of test 1?
c) Describe the distribution of test 1
d) Describe the distribution of test 2

a) 30 b) 73.2 c) Positively skewed d) Symmetric

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