Organize the following marks in a class assessment, in a tabular form:
4, 6, 7, 5, 3, 5, 4, 5, 2, 6, 2, 5, 1, 9, 6, 5, 8, 4, 6, 7.
Find the arithmetic mean

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Solution

Arithmetic mean=
$\frac{4 + 6 + 7 + 5 + 3 + 5 + 4 + 5 + 2 + 6 + 2 + 5 + 1 + 9 + 6 + 5 + 8 + 4 + 6 + 7}{20} = \frac{100}{20} = 5$

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Similar questions

In a Mathematics test, the following marks were obtained by 40 students. Arrange these marks in a table using tally marks.

(a) Find how many students obtained marks equal to or more than7.

(b) How many students obtained marks below 4?

Question 1(a)

In a mathematics test, the following marks were obtained by 40 students. Arrange these marks on a table using tally marks.

Find how many students obtained marks equal to or more than 7?

Question 1(b)

In a mathematics test, the following marks were obtained by 40 students. Arrange these marks on a table using tally marks.

How many students obtained marks below 4?

16

0, 0, 2, 2, 3, 3, 3, 4, 5, 5, 5, 5, 6, 6, 7, 8

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