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cupoosta [38]
3 years ago
7

What is the interquartile range (IQR) of the data set below?

Mathematics
1 answer:
lys-0071 [83]3 years ago
8 0

Answer:

The Inter Quartile Range is 20.

Step-by-step explanation:

The interquartile range is Q3 - Q1. So first let's find the median (Q2) so we can find Q1 and Q3. Since there is an even amount of numbers, we need to find the average of the middle to numbers. My work is in the attached image.

If this helps, I would appreciate it if you gave me brainliest :)

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A cow flies to a point that is 1 mile east and 20 miles south of its starting point. How far does the crow fly?
Virty [35]

The end point is located exactly  √401  miles from the starting point.
But we don't know what route the cow took to get there.

(That's about  20.025... miles, rounded.)
 
5 0
3 years ago
I WILL REWARD BRAINLIEST
polet [3.4K]

Answer:

It is 65 in.

Step-by-step explanation:

62 is the median, and 66 is the mode. 65 is right between 62 and 66.

6 0
3 years ago
Read 2 more answers
Rico wants to find the distance between the points (-2,-3) and (2,-5) his work is shown.|-3| + |-5| = 3+5 = 8the distance is 8 u
tino4ka555 [31]

Answer:

Riko is wrong

Step-by-step explanation:

To find the distance of two point, we use the following formula:

A (x1, y1)

B (x1, y2)

AB = \sqrt{(x2-x1)^{2} + (y2-y1)^{2}  }

In this situation, we have:

A (-2,-3)

B  (2,-5)

So the distance is: \sqrt{(2 - (-2))^{2} + (-5 - (-3))^{2}  } = \sqrt{4^{2} + 8^{2} } = \sqrt{80} = 4\sqrt{5}

Hope it will find you well.

5 0
3 years ago
Read 2 more answers
Mrs.Middleton makes a solution to clean her windows. She uses a 2:1 ratio for cups of water to cups of vinegar. If Mrs.Middleton
Maru [420]

She will need 8 cups of vinegar.

Hope this helps!

4 0
3 years ago
Enteroliths are calcifications that form in the gut of a horse. The stones can cause considerable morbidity and mortality. A stu
juin [17]

Answer:

A. mean=14.29

median=16

B. IQR=10

C.   option 3

D. 5.91

Step-by-step explanation:

mean=sum of values/number of values=10+20+4+13+21+16+16/7=14.29

median is achieved by arranging data in increasing order and then calculating the middle value

4 10 13 16 16 20 21

The mid value is 16 so the median=16

IQR=interquartile range=3rd quartile-1st quartile=Q3-Q1=20-10=10

As n/4=7/4 is not an integer so

Q1=(n/4+1)value=(7/4+1)=2.75=2nd value=10

Q3=(3n/4+1)value=6.25=6th value=20

Standard deviation=s=sqrt(∑(x-xbar)²/n-1)=sqrt(209.43/6)=5.91

7 0
3 years ago
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