The graph compares the ages of 100 randomly selected visitors at a beach in January and in July.

Mathematics

2 answers:

Nina [5.8K]3 years ago

7 0

Answer:

the answer is 20, just took the test

Step-by-step explanation:

Kipish [7]3 years ago

6 0

The plot for January places the median age at 40, so half of the surveyed group was over 40. That would be half of 100 people, or 50 people.

The plot for July places the upper quartile at age 40, so 1/4 of the surveyed group was over 40. That would be 1/4 of 100 people, or 25 people.

There were 50 - 25 = 25 more visitors over the age of 40 at the beach in January.

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pochemuha

Answer:

see graph of y=3/4 x-4

Step-by-step explanation:

Assuming you mean

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