True False[1 Marks ]

Question 11 Mark

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

Answer

False,
Sum of the data $=6+4+3+8+9+12+13+9=64$
Number of observations is 8 .
$
\therefore \text { Mean }=\frac{\text { Sum of the data }}{\text { Number of observations }}=\frac{64}{8}=8
$

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Question 21 Mark

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

Answer

True, the median is always one of the numbers in a data.

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Question 31 Mark

The mean is one of the numbers in a data.

Answer

False, mean is not one of the numbers in a data, because
$
\text { Mean }=\frac{\text { Sum of the observations }}{\text { Number of observations }}
$

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Question 41 Mark

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

Answer

True, the mode is always one of the numbers in a data.

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Question 51 Mark

Median of the data may or may not be from the given data.

Answer

true

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Question 61 Mark