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True [87]
3 years ago
9

Find the median, Q1, Q3, the IQR for the following

Mathematics
2 answers:
zheka24 [161]3 years ago
7 0
<span>First, you would normally need to order the numbers from least to greatest, but since the numbers are already in order we can skip this step.

</span><span>24,24,28,32,40,42

</span><span>The median is the data value in the middle of the data set or, in this case because there is an even number of values, the average of the two middle values.

Median: 30

The first quartile value is the median for the numbers before the median.
So find the median of</span><span> 24, 24, 28, which is just the middle number.

First quartile: 24

Finding the third quartile is exactly the same as the first, except use the values after the median. (</span><span>32, 40, 42)

Third quartile: 40

The IQR (Inter-quartile Range) is just the the third quartile minus the first quartile.

40 - 24 = 16
</span>
<span>So here are your answers

Median: 30
</span><span>First quartile: 24</span>
Third quartile: 40
Inter-quartile range: 16


Let me know if you need help understanding anything and I'll try to explain as best I can.

Hope this helps!!

ELEN [110]3 years ago
4 0
<span>24,24,28, 32,40,42
median = (28+32)/2 = 30
Q1 = 24
Q3 = 40
IQR = 40 -24 = 16</span>
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0.01 pounds is the answer

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3 years ago
Evaluate 6²-7²+8²-9²+..+998²-999²​
Llana [10]

Answer:

-499,485.

Step-by-step explanation:

We can transform this to an arithmetic series by  working it out in pairs:

6^2 - 7^2 = (6-7)(6+7) = -13

8^2 - 9^2 = (8-9)*8+9) = -17  

10^2 - 11^2 = -1 * 21 = -21 and so on

The common difference is -4.

The number of terms in this series  is (998 - 6) / 2 + 1

= 992/2 + 1 = 497.

Sum of n terms of an A.S:

= n/2 [2a1 + (n - 1)d  

Here a1 = -13, n = 497, d = -4:

Sum = (497/2)[-26 - 4(497-1)]

= 497/2 * -2010

= -499,485.

3 0
3 years ago
The one selected is wrong please help meee!
GREYUIT [131]

Answer:

  (a)  ΔARS ≅ ΔAQT

Step-by-step explanation:

The theorem being used to show congruence is ASA. In one of the triangles, the angles are 1 and R, and the side between them is AR. The triangle containing those angles and that side is ΔARS.

In the other triangle, the angles are 3 and Q, and the side between them is AQ. The triangles containing those angles and that side is ΔAQT.

The desired congruence statement in Step 3 is ...

  ΔARS ≅ ΔAQT

5 0
2 years ago
Which statement describes the key difference between a traditional IRA and a Roth IRA?
scZoUnD [109]

"Traditional IRA contributions are made with pretax dollars, while Roth IRA contributions are made with after-tax dollars" statement describes the key difference between a traditional IRA and a Roth IRA.

<u>Option: D</u>

<u>Explanation:</u>

A traditional IRA that is an individual retirement account enables investors to channel pre-tax income into assets that can increase tax postponed. Donations to a traditional IRA might be tax deductible focusing on the earnings, tax filing record and other considerations of the taxpayers.

A Roth IRA is a tax-favored retirement savings account that enables you to tax-free withdraw your savings. These are sponsored with after-tax dollars; tax-deductible investments are not. But the cash is tax-free until one begin withdrawing funds.

6 0
2 years ago
I used 1/3 of a bottle of wax to wax 3/4 of a car. How many cars can I wax with one bottle? Please helppp
blsea [12.9K]

Answer:

2.25 cars are waxed with one bottle

Step-by-step explanation:

1/3 * 3 = 1

3/4 * 3 = 9/4

9/4 = 2.25

4 0
3 years ago
Read 2 more answers
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