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3 years ago

The mean width of 12 iPads is 13 cm. The mean width of 8 Kindles is 12 cm. 2 pts

Business

1 answer:

MissTica3 years ago

7 0

Answer:

see below

Explanation:

Mean is the average of a set of data or numbers. if the mean is 13, it implies that on average, the width of one iPad is 13cm.

a). Width of 12 iPads is 13cm.

Total width will be 12 x 13

= 156 cm

b). Total width of candles

mean of 8 candles is 12 cm

total width = 8 x 12

=96 cm

c). mean of iPads and candles

=width of iPads + width of candles divided by total of candles and iPads

= (156cm + 96cm) / (12 + 8)

=252 /20

=12.6 cm

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