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Alex
2 years ago
5

Please explain asap, will give brainliest!!

Mathematics
1 answer:
Mazyrski [523]2 years ago
8 0
Hello!

You have to first find the median

74, 74, 83, 83, 83, 86, 87, 90, 92, 93, 93, 94

The numbers in the middle are 86 and 87

The average of these numbers are 86.5

The median is 86.5

This is shown in the box plot so the median is right

The lower quartile is the median of the numbers less than 86.5

74, 74, 83, 83, 83, 86

The median of these numbers is 83

The lower quartile is right

The find the upper quartile you find the average of the numbers higher than 86.5

87, 90, 92, 93, 93, 94

The upper quartile is 92.5

Since this is shown differently in the box plot the answer is upper quartile

The answer is C) upper quartile

Hope this helps!
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Answer:

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Step-by-step explanation:

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And welcome to the brainly family

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how is the formula for the area of a trapezoid related to the formula for the area of a parallelogram?
chubhunter [2.5K]

Answer:

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3 years ago
30 points! Find the four arithmetic means between -17 and 32.
bearhunter [10]

Answer: - 7.2 , 2.6 , 12.4 and 22.2

Step-by-step explanation:

Let the arithmetic means be p , q , r ,s , therefore , the sequence becomes:

-17 , p , q , r , s , 32

The first term (a ) = -17

Last term (L) = 32

common difference (d) = ?

number of terms (n ) = 6

We will use the formula for calculating the last term to find the common difference. That  is

L = a + (n - 1 ) d

Substituting the values , we have

32 = -17 + (6-1) d

32 = -17 + 5d

32 + 17 = 5d

49 = 5d

Therefore: d = 9.8

We can therefore find the values of p , q , r , and s

p is the second term , that is

p = a + d

p = -17 + 9.8

p = -7.2

q = a + 2d

q = - 17 + 19.6

q = 2.6

r = a + 3d

r = - 17 + 29.4

r = 12.4

s = a + 4d

s = - 17 + 39.2

s = 22.2

Therefore : the arithmetic means are : - 7.2 , 2.6 , 12.4 and 22.2

8 0
3 years ago
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