Tell whether the statement is true or false :
The data 6, 4, 3, 8, 9, 12, 13, 9 has mean 9.

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Solution

Therefore, the mean of given data $= \frac{S u m o f n u m b e r s}{T o t a l n u m b e r}$
$= \frac{6 + 4 + 3 + 8 + 9 + 12 + 13 + 9}{8} = \frac{10}{8} = 8$
The mean of the given data is 8. Hence, the above statement is false.

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Similar questions

The range of the following set of integers:

-2 5 12 -10 0 -9 -13 1 4 2 9 -8

is 25. State whether the statement is True or False.

Verify whether the given statement is true or false :

(i) $(\frac{5}{9} \div \frac{1}{3}) \div \frac{5}{2} = \frac{5}{9} \div (\frac{1}{3} \div \frac{5}{2})$

(ii) ${(- 16) \div \frac{6}{5}} \div \frac{- 9}{10} = (- 16) \div {\frac{6}{5} \div \frac{- 9}{10}}$

(iii) $(\frac{- 3}{5} \div \frac{- 12}{35}) \div \frac{1}{14} = \frac{- 3}{5} \div (\frac{- 12}{35} \div \frac{1}{14})$

Tell whether the statement is true or false:

(i) The mode is always one of the numbers in a data.

(ii) The mean is one of the numbers in a data.

(iii) The median is always one of the numbers in a data.

(iv) The data 6, 4, 3, 8, 9, 12, 13, 9 has mean 9.

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