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Anna [14]
3 years ago
9

HELP ME PLZ WILL MARK U AS BRAINLIEST

Mathematics
1 answer:
natulia [17]3 years ago
3 0

Answer:

Step-by-step explanation:

a)

The mean for ground floor is 20.67

The mean for balcony is 15.8

b)

the difference between the means is ground floor - balcony

20.67 - 15.8 = 4.87

You can talk about it yourself for part c

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