Question

For certain statistical data £fixi=1470 and £fi=50. Find mean of that data. *

1 point

29.40

1470

147

2940

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Answer 1

Step-by-step explanation:

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Answer 2

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$\sf{£fixi = 1470}$

$\sf{£fi = 50}$

$\sf{mean =\dfrac{£fixi}{£fi}}$

$\sf{mean =\dfrac{1470}{50}}$

$\sf{mean =\dfrac{147}{5}}$

$\sf{mean =\dfrac{147\times 2}{5\times 2}}$

$\sf{mean =\dfrac{294}{10}}$

$\sf{mean = 29.4}$