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3 years ago

In which quadrant does 1/3 and 2 1/3 lie on?

Mathematics

1 answer:

quester [9]3 years ago

4 0

Answer:

Quadrant 1

Step-by-step explanation:

The co-ordinates given match up exactly to co-ordinate 1 due to all the numbers given being positive.

There are 4 quadrants. Quadrant 1, 2, 3, and 4.

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Coach Evans recorded the height, in inches of each player on his team. The results are shown.

marysya [2.9K]

Answer:

Step-by-step explanation:

Given:

Team heights (inches):

61, 57, 63, 62, 60, 64, 60, 62, 63

To find: IQRs (interquartile ranges) of the heights for the team

Solution:

A quartile divides the number of terms in the data into four more or less equal parts that is quarters.

For a set of data, a number for which 25% of the data is less than that number is known as the first quartile $(Q_1)$

For a set of data, a number for which 75% of the data is less than that number is known as the third quartile $(Q_3)$

Terms in arranged in ascending order:

$57,60,60,61,62,62,63,63,64$

Number of terms = 9

As number of terms is odd, exclude the middle term that is 62.

$Q_1$ is median of terms $57,60,60,61$

Number of terms (n) = 4

Median = $\frac{(\frac{n}{2})^{th} +(\frac{n}{2}+1)^{th} }{2} =\frac{2^{nd}+3^{rd}}{2} =\frac{60+60}{2}=\frac{120}{2}=60$

So, $Q_1=60$

So, 25% of the heights of a team is less than 60 inches

$Q_3$ is the median of terms $62,63,63,64$

Median = $\frac{(\frac{n}{2})^{th} +(\frac{n}{2}+1)^{th} }{2} =\frac{2^{nd}+3^{rd}}{2} =\frac{63+63}{2}=\frac{126}{2}=63$

So, $Q_3=63$

So, 75% of the heights of a team is less than 63 inches

Interquartile range = $Q_3-Q_1=63-60=3$

The interquartile range is a measure of variability on dividing a data set into quartiles.

The interquartile range is the range of the middle 50% of the terms in the data.

So, 3 is the range of the middle 50% of the heights of the students.

4 0

2 years ago

Hey, could you please answer this question? My time is running out. A bicycle rental shop has a two tier pricing system based on

erastova [34]

Answer:

3.93 per hour

Step-by-step explanation:

The first 4 hours is at 20 hours / 4 hours or 5 dollars an hours

The second line has a slope of 2.50 dollars an hour

But there is also a surcharge when you go over 4 hours

That is a 5 dollar flat rate at 4 hours

Assuming that we do not include the flat rate in the hourly calculation

4 hours * 5 dollar + 3 hours * 2.50 = 20+7.50

27.50 is the hourly charge

Divide by 7 hours

3.928571429

3.93 per hour

4 0

3 years ago

the problem is the Spanish Club begins the school year with a $50 balance in its account. To raise money for activities during t

pentagon [3]

Answer:

use a chart to solve the question

7 0

3 years ago

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Mrs. Owens bought two candle holders for her dining room table. She paid with a $100 bill and received $32.16 in change. If sale

Neko [114]

32.16$ is the answer to this question

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2 years ago

Read 2 more answers

Sue wrote a double facts.It has a sum less than 10 and greater than 4.The addends are each less than 5.What fact might she have

Eduardwww [97]

Maybe 2+3 is the answr

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3 years ago