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gabriellarenolp5x7c0
03.02.2020 •
Mathematics
the box plot represents the number of fish that fishermen caught from a lake.
select all statements that are true for the data.
a) about 25% of the fishermen caught between 25 and 30 fish.
b) the spread is symmetrical about the median.
c) one fisherman caught no fish at all.
d) about 75% of the fishermen caught between 15 and 25 fish.
e) the range is 20 fish.
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Ответ:
>Since the boxplot looks symmetric, the parts are each 25%.
B) The spread is symmetrical about the median.
>The median is 20.
20-15 = 5; 15-10 = 5
25-20 = 5; 30-25 = 5
E) The range is 20 fish.
> The largest data is 30, smallest data is 10
Range = largest - smallest = 30-10 = 20
Ответ:
Justification of step A: common denominator
Justification of step B: multliplication property of equality
Step-by-step explanation:
i got it right.