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vampirchik [111]
3 years ago
8

PlZZZ HELP ME ASAP

Advanced Placement (AP)
1 answer:
algol133 years ago
6 0

Answer:

Importance of Greenhouse Gases

Greenhouse gases, such as carbon dioxide, methane, nitrous oxide, and certain synthetic chemicals, trap some of the Earth's outgoing energy, thus retaining heat in the atmosphere. This heat trapping causes changes in the radiative balance of the Earth—the balance between energy received from the sun and emitted from Earth—that alter climate and weather patterns at global and regional scales.

Multiple lines of evidence confirm that human activities are the primary cause of the global warming of the past 50 years.1 Natural factors, such as variations in the sun's output, volcanic activity, the Earth's orbit, the carbon cycle, and others, also affect Earth's radiative balance. However, beginning in the late 1700s, the net global effect of human activities has been a continual increase in greenhouse gas concentrations.

Explanation:

mark me as brainliest thank you

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The following table shows the number of hours some high school students in two towns spend riding the bus each week:
sergeinik [125]

Answer: Part A. The IQR for town A is 4.5 and the IQR for town B is 4.5

Part B. No, they are assymetric.

Explanation: To find the interquatile range (IQR) of each set of data, you can do as follows:

1) Put the number in each set of data in order:

A: 3 4 5 5 6 7 8 9 9 20

B: 3 3 5 5 6 8 8 9 9

2) Find the median of each town data:

For A, the median is the number 6. Coincidently, the same can be said for town B: its median is 6.

3) Find Q1, which is the median (or the middle term) of the left side of the median:

A: 3 4 5 5 (set of numbers to calculate)

B: 3 3 5 5

Now, as both set of number are even, to find the median, we have to calculate the mean of the two central numbers:

For A: Q1 = \frac{4+5}{2} = 4.5

For B: Q1 = \frac{3+5}{2} = 4

4) Find Q3, which is the median of the right side of the first median:

A: 7 9 9 20 (set of numbers to calculate)

B: 8 8 9 9

As before, the median will be the mean:

For A: Q3 = \frac{9+9}{2} = 9

For B: Q3 = \frac{8+9}{2} = 8.5

5) The IQR is the result of a subtraction:

IQR = Q3 - Q1

For A: IQR = 4.5

For B: IQR = 4.5

For the two sets of data the IQR is the same and equals 4.5.

Part B: Box plot is a type of graphic, similar to histogram. To plot it, you need 5 points but for this question, it will be analised just the symmetric aspect. As the graphic is a retangule, to be symmetric, the median or mean has to be in the center of the retangule. In the case of the towns, the box plots are assymetric because the median of each town is closer to the Q1 of each town. In other words, the retangule is not "divided" exactly in half.

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