Pocket money $(i n)$ received by $7$ students are $78, 82, 76, 84, 80, 72, 74.$ Find the range and also find the mean.

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Solution

Solution -
Range = largest pocket money - smallest pocket money
$= 84 - 72$
$= 8$
Mean $= \frac{78 + 82 + 76 + 84 + 80 + 72 + 74}{7}$
Mean $= 78$

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Pocket money (in) received by 7 students are 78,82,76,84,80,72,74. Find the range and also find the mean.

Solution - Range = largest pocket money - smallest pocket money =84−72=8Mean =78+82+76+84+80+72+747Mean =78

Pocket money $(i n)$ received by $7$ students are $78, 82, 76, 84, 80, 72, 74.$ Find the range and also find the mean.

Solution -
Range = largest pocket money - smallest pocket money
$= 84 - 72$
$= 8$
Mean $= \frac{78 + 82 + 76 + 84 + 80 + 72 + 74}{7}$
Mean $= 78$