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3 years ago

Please answer with clear instructions so that i can apply this to other questions.

Mathematics

1 answer:

Akimi4 [234]3 years ago

7 0

Since there is an uneven amount of numbers given, once you order them from least to greats take the two numbers in the middle (50,68) add them, and then divide by two. Your median will be 59. If there is an even amount of numbers, the number directly in the middle will be the median.

Dont know how to explain this one…(check picture if it helps)

Lower - 44
Upper - 68

The interquartile range is the upper quartile subtracted by the lower quartile.

IQR- 24

Sorry for any mistakes…its 6 in the mornings and I haven’t slept in two days! Good luck with the math!

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3 years ago

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3 years ago

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velikii [3]

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3 years ago

ILL GIVE BRAINILEST: the question is in the image

KatRina [158]

Answer:

A. Monday = 36°, Tuesday = 54°, Wednesday = 90°, Thursday = 108°, Friday = 72°

B. Monday = 10%, Tuesday = 15%, Wednesday = 25%, Thursday = 30%, Friday = 20%

C. Monday = 20 people, Tuesday = 30 people, Wednesday = 50 people, Thursday = 60 people, Friday = 40 people

D. Scroll below!

Step-by-step explanation:

Utilizing algebra, we can make an equation to help us solve for the degrees. A whole circle is 360° degrees so we set all variables equal to 360°. Giving us this:

3/2x° + x° + 2x° + 3x° + 90° = 360°

Then we subtract 90° and add all the like variables together (the x's).

We get:

6 3/2x° = 270°

Then we divide 270° by 6 3/2x°

Which results in x = 36°

Now we can plug this in as our x value and solve for the variables!

Monday = x = 36°

Tuesday = 3/2x = 3/2 * 36° = 54°

Wednesday = 90°

Thursday = 3x = 3 * 36° = 108°

Friday = 2x = 2 * 36° = 72°

Now we can solve for B.

We will once again use the information that a circle is 360°, therefore to find the percentage of people chose each day by dividing our previous answers by 360° which gives us:

Monday = 10%

Tuesday = 15%

Wednesday = 25%

Thursday = 30%

Friday = 20%

Now we can solve for C by utilizing the percentages, changing them to decimals, and multiplying them by 200. We can use the number 200 because that is the number of people altogether.

Monday = .1 x 200 = 20 people

Tuesday = .15 x 200 = 30 people

Wednesday = .25 x 200 = 50 people

Thursday = .3 x 200 = 60 people

Friday = .2 x 200 = 40 people

20 + 30 + 50 + 60 + 40 = 200

Therefore this checks out.

Now all you must do is make a table and insert the numbers! I filled out a couple to help :]

Degrees | Percentage | # of People

Monday | 36° 10% 20 people

Tuesday |

Wednesday | 90°

Thursday | 30%

Friday | 40 people

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3 years ago