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Zanzabum
3 years ago
7

What is the third quartile, Q3, of the following distribution?

Mathematics
2 answers:
Mama L [17]3 years ago
7 0

Answer:

29

Step-by-step explanation:

GREYUIT [131]3 years ago
5 0

Answer:

The third quartile is:

Q_3=29

Step-by-step explanation:

First organize the data from lowest to highest

4, 5, 10, 12, 14, 16, 18, 20, 21, 21, 22, 22, 24, 26, 29, 29, 33, 34, 43, 44

Notice that we have a quantity of n = 20 data

Use the following formula to calculate the third quartile Q_3

For a set of n data organized in the form:

x_1, x_2, x_3, ..., x_n

The third quartile is  Q_3:

Q_3=x_{\frac{3}{4}(n+1)}

With n=20

Q_3=x_{\frac{3}{4}(20+1)}

Q_3=x_{15.75}

The third quartile is between x_{15}=29 and x_{16}=29

Then

Q_3 =x_{15} + 0.75*(x_{16}- x_{15})

Q_3 =29 + 0.75*(29- 29)\\\\Q_3 =29

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Step-by-step explanation:

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8 0
2 years ago
The lateral area of a cone is 400 pi cm squared. The radius is 10 cm. Find the slant height to the nearest tenth.
Ilia_Sergeevich [38]

Answer:

Option A. 40\ cm

Step-by-step explanation:

we know that

The lateral area of a cone is equal to

LA=\pi rl

we have

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substitute and solve for l (slant height)

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8 0
3 years ago
Need help with this question):​
Citrus2011 [14]
I’m not sure maybe someone else will help
3 0
2 years ago
The cost of Matt and Natalie's dinner was $27.35. They want to leave a 20% tip. Which of the following is the closest to the amo
Ksenya-84 [330]

Answer:

Option D is correct.

Step-by-step explanation:

27.35 x 20/100

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=> $5.50 (Rounded)

Therefore, Option D is correct.

Hoped this helped.

8 0
2 years ago
Please help with these 3 questions and show all work!
Bas_tet [7]
Question 1:
"Match" the letters
DE are the last two letters of BCDE
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DE is congruent to QR

Question 2:
Blank 3: Reflexive property (shared side)
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Question 3:
I'm guessing those two numbers are 7.
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Have an awesome day! :)

8 0
3 years ago
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