Q6 of 71 Page 201

The weights of students of a class are given in the table below:

Find the mean.

We know that,

Where, = Mean, x_i = values of x and f_i = frequency for that x.

⇒ = 23.9

Find the mean of the following frequency distribution:

The number of children in 100 families is as shown:

Find the Arithmetic mean.

If the arithmetic mean of the following data is 7.5, then find the value of P.

If the arithmetic mean of the following distribution is 1.46. Find the missing frequencies.

Questions · 71

17. Measures of Central Tendency

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The weights of students of a class are given in the table below:Find the mean.