Can someone explain INTERQUARTILE RANGE for me, and please give an example. Thank you!

Answers

Answer 1

Answer:

The IQR describes the middle 50% of values when ordered from lowest to highest. To find the interquartile range (IQR), first find the median (middle value) of the lower and upper half of the data. These values are quartile 1 (Q1) and quartile 3 (Q3). The IQR is the difference between Q3 and Q1.

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What is 132654 rounded to the nearest hundred thousand

Answers

When rounding, always look to the number directly to the right of the number in the place that must be rounded. If the number is 5 or exceeds 5, change the number in the place that must be rounded to one higher number. If nothing exceeds, keep the number as is and change all other preceding places to 0.

In this case, your hundred thousand place would not change because the 3 next to it does not exceed 5.

Therefore, it will be 100,000

Hope this helps :)

Do 2(x, y) → (3,5).
The point (x,y) is

Answers

Answer:

(1.5, 2.5)

Step-by-step explanation:

(x,y) is being multiplied by 2 to get (3,5). We need to divide it by 2 to find x and y.

3/2= 1.5

5/2=2.5

Thus, the answer is (1.5, 2.5). Hope this helped!

You have been asked to build a scale model of a restaurant out of bottle caps. The restaurant is 20 feet tall. Your scale is 2.4 cm: 1 foot. A bottle cap is 1.2 cm tall. About how many bottle caps tall will your model be?

Answers

Answer:

$40\ bottle\ caps$

Step-by-step explanation:

we know that

The scale is $(2.4)/(1)\ (cm)/(ft)$

That means

2.4 cm in the model represent 1 foot in the real

In this problem

The restaurant is 20 feet tall

Find the height of the model

Multiply the actual height of the restaurant by the scale 2.4

$20\ ft=20(2.4)=48\ cm$

A bottle cap is 1.2 cm tall

To find out the number of bottle caps divide the height of the model by 1.2

$(48)/(1.2)= 40\ bottle\ caps$

Fish 1 swims 4 feet in 2 seconds, Fish 2 swims 9 feet in 3 seconds, and Fish 3 swims 12 feet in 6 seconds. Use the table above to determine which fish are swimming at the same speed.

Answers

Answer: 1 and 3

Step-by-step explanation:

4•3=12 and 2•3=6

Eli's office recycled a total of 12 kilograms of paper over 6 weeks. After 9 weeks, how many kilograms of paper will Eli's office have recycled

Answers

18 kg

12kgs ÷ 6 weeks = 2kgs a week

2kgs × 9 weeks = 18kgs

$\begin{array}{ccc}6\ weeks&-&12\ kg\n9\ weeks&-&x\ kg\end{array}\qquad\text{cross multiply}\n\n(6)(x)=(9)(12)\n\n6x=108\qquad\text{divide both sides by 6}\n\n\boxed{x=18}\n\nAnswer:\ \text{Eli's office recycled 18\ kg\ of\ paper.}$

How to solve -5a=10

Answers

Answer:

-5a=10

a=10/-5

a=-2

Step-by-step explanation:

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