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slega [8]
3 years ago
14

What is the Interquartile Range for the following data set? (5,6,7,3,9,8,3,1, 6, 7,7} IQR:

Mathematics
2 answers:
WITCHER [35]3 years ago
6 0
4 I hope this helped. Same answer as above tho
iren2701 [21]3 years ago
4 0

Answer:

IQR = 4

Step-by-step explanation:

The interquartile range is the difference between the upper quartile and the lower quartile.

The first step is to find the median of the data set.

The median is the middle value of the data arranged in ascending order.

Arranging the data in ascending order

1 , 3 , 3 , 5 , 6 , 6 , 7 , 7 , 7 , 8 , 9

                        ↑ median is 6

The upper quartile is the middle value to the right of the median

7 , 7 , 7 , 8 , 9

         ↑ upper quartile is 7

The lower quartile is the middle value to the left of the median

1 , 3 , 3 , 5 , 6

         ↑ lower quartile is 3

Thus

Interquartile range = 7 - 3 = 4

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Answer:

Step-by-step explanation:

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8 0
3 years ago
One quart of water-resistant paint covers 75 square feet. A swimming pool is in the shape of a rectangular prism with a length o
docker41 [41]

18.66 quarts of paint is needed to paint the swimming pool with two coats of paint

<em><u>Solution:</u></em>

Given that,

<em><u>A swimming pool is in the shape of a rectangular prism</u></em>

Length = 20 feet

Width = 10 feet

Height = 5 feet

<em><u>Find the surface area of prism</u></em>

A=2(wl+hl+hw)

Where, "l" is the length and "w" is the width and "h" is the height

A = 2(10 \times 20 + 5 \times 20 + 5 \times 10)\\\\A = 2(200+100+50)\\\\A = 2 \times 350\\\\A = 700

Thus surface area area of prism is 700 square feet

Given that,

One quart of water-resistant paint covers 75 square feet

Therefore,

1 quart paint = 75 square feet

x quart = 700 square feet

This forms a proportion

1 \times 700 = 75 \times x\\\\x = \frac{700}{75}\\\\x = 9.33

Thus 9.33 quarts of paint is needed to cover 700 square feet

How many quarts should you buy to paint the swimming pool with two coats of paint

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4 0
3 years ago
Your friend has $100 when he goes to the fair. He spends $10 to enter the fair and $20 on food. Rides at the fair cost $2.00 per
zysi [14]
You could use the function: 

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100=30+2x 

In which lets say he rode 3 rides. Plug in 3 for x.

100=30+2(3)

Then Multiply 
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Then combine 30 and 6 to get 36.
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3 years ago
Solve 1 5/7 • x for x = 5/6
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Answer:

7/18

Step-by-step explanation:

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pav-90 [236]

Answer:

7*(-9)

Step-by-step explanation:

A negative multiplied by a negative causes them to cancel out and become positive and two positives being multiplied are always positive

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7 0
3 years ago
Read 2 more answers
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