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Burka [1]
3 years ago
13

What is the first quartile of the data set represented by the box plot shown below?

Mathematics
1 answer:
damaskus [11]3 years ago
8 0

Answer:

B. 25

Step-by-step explanation:

45 is the third quartile.

25 is the first quartile.

30 is the median.

18 is the minimum.

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Answer:

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Amplitude ⇒ 12

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Step-by-step explanation:

The table is counting by 4's and the period is the amount of space between 2 peaks. In this scenario, we can find the peaks by looking for two of the same highest value (44). We can see that x=40 has a value of 44 while the other is actually not shown because it would be located at x=0. Therefore the period is 40

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The amplitude can be found by using the following:

\frac{1}{2}|max - min|

Our maximum is 44 and our minimum is 20.

\frac{1}{2}|44 - 20|

\frac{1}{2}|24|

\frac{1}{2}(24)

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The amplitude is the distance from the peak to the mid-line. To find the mid-line, we can either subtract our amplitude from our maximum value (44) or add our amplitude to our minimum value (20)

44 - 12 = 32

20 + 12 = 32

Therefore our mid-line is y = 32

~Hope this helps!~

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