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Ivenika [448]
3 years ago
9

I NEED HELP ASAP! What is the interquartile range (IQR) of the data set below? Will give one lucky person the title as the brain

liest (if they are correct).

Mathematics
2 answers:
Yanka [14]3 years ago
8 0

Answer:

8

Step-by-step explanation:

You first put the numbers in order. Then you find the median(in this case, 31) and after that you find the Q1 and Q3(think of Q1 as the median of the lower half and Q3 as the mdian of the upper half.) Subtract Q1 from Q3, in this case, 37-29=8. 8 is the IQR or the interquratile range.

Zigmanuir [339]3 years ago
7 0

Hey there! I'm happy to help!

First, we arrange the numbers from least to greatest.

26,29,31,31,32,37,43

The median here is 31 because it is the middle number. The three numbers before it is one half of it and the last 3 numbers are their own half, because you cannot split the 31 between the two halves.

Now, we want to find the first quartile. This is basically the media of the first half of numbers. So, our first half consists of 26,29, and 31.

The middle number of this first half is 29.

So, our Q1 (first quartile) is 29.

Now, for the third quartile. We do the exact same thing here but with the second half.

32,37,43

Looking at this, our Q3 is 37

The interquartile range is how far apart Q1 and Q3 are, so to find it, we subtract our Q1 from the Q3.

37-29=48

Therefore, our IQR is 8.

Congratulations! Now you can find the IQR of a data set! Have a wonderful day! :D

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MATH HELP 10 PTS
Lesechka [4]

Answer:

The width is 5 and the length is 11

Step-by-step explanation:

The formula for perimeter is

P = 2(l+w)

We know the perimeter is 32

32 = 2 (l+w)

Divide each side by 2

32/2 = 2(l+w)

16 = l+w

We know the length is 6 longer than the width

l = w+6

16 = w+6+w

Combine like terms

16 = 2w+6

Subtract 6 from each side

16-6 = 2w+6-6

10 = 2w

Divide by 2

10/2 = 2w/2

5 =w

The length  is

l = w+6

   5+6 = 11

8 0
3 years ago
Rearrange the equation so nnn is the independent variable.<br> m+1=-2(n+6)m+1=−2(n+6)
lapo4ka [179]

Answer:

m=-2n-13

Step-by-step explanation:

The given equation is m+1=-2(n+6)

We want to rearrange this equation so that, n becomes the  independent variable.

This means we must solve form, m which becomes the dependent variable.

We expand the parenthesis to get:

m+1=-2n-12

We now subtract 1 from both sides to obtain:

m=-2n-12-1

We simplify to obtain:

m=-2n-13

This can be rewritten as

m(n)=-2n-13

3 0
3 years ago
there are about 1.5 grams of fat in 1 tablespoon of hummus.how many grams of fat are in 2 1/2 cups of hummus. (16 tablesspoons=1
FrozenT [24]
Umm...60 grams.
1.5 grams is equal to 1 tablespoon of hummus.
Since 16 tablespoons are in a cup, you'd have to multiply the 1.5 grams per tablespoon by 16 to find the amount of fat in grams are in a cup.
You'll get 24 grams as an answer.
Since you're trying to find the amount of grams in 2.5 (2 1/2) cups of hummus, you just multiply 24 by 2.5 to get the overall answer of <u>60 grams.</u><u />
6 0
3 years ago
A company selling light bulbs claims in its advertisements that its light bulbs’ average life is 1000 hours. In fact, the life s
tamaranim1 [39]

Answer:

15.87%

Step-by-step explanation:

Given that:

The mean (μ) = 1000 hours, the standard deviation (σ) = 100 hours.

The z score provides a means of measurement in statistics to determine the variation of a raw score from the mean. The z score is given as:

z=\frac{x-\mu}{\sigma}

To find that a randomly chosen light bulb will last less than 900 hours:

z=\frac{x-\mu}{\sigma}=\frac{9000-1000}{100}=-1

Therefore, P(x < 900) = P(z < -1) = 0.1587 = 15.87%

7 0
3 years ago
Brainliest for right answe
Annette [7]
Umm what do u need help with there is no link attached?
6 0
3 years ago
Read 2 more answers
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