Seema obtained the following scores (out of $100$ ) on a set of spelling tests: $80, 85, 90, 71, 60, 100$ . What is her mean score?

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Solution

Given that,
Seema scored $80, 85, 90, 71, 60, 100$ in a set of spelling tests.

To find out,
The mean score of Seema.

We know that, $M e a n = \frac{S u m o f a l l o b s e r v a t i o n s}{T o t a l n u m b e r o f o b s e r v a t i o n s}$

$= \frac{80 + 85 + 90 + 71 + 60 + 100}{6}$

$= \frac{486}{6}$

$= 81$

Hence, the mean score of Seema is $81$ .

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Seema obtained the following scores (out of 100) on a set of spelling tests: 80,85,90,71,60,100. What is her mean score?

Given that,Seema scored 80, 85, 90, 71, 60, 100 in a set of spelling tests.To find out,The mean score of Seema.We know that, Mean=Sum of all observationsTotal number of observations =80+85+90+71+60+1006 =4866 =81Hence, the mean score of Seema is 81.

Seema obtained the following scores (out of $100$ ) on a set of spelling tests: $80, 85, 90, 71, 60, 100$ . What is her mean score?