Angles in a parallel line

Mathematics

1 answer:

Hatshy [7]4 years ago

6 0

1.53
2.115
3.122
4.106
5.49
6.110
left to right

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When you are trying to find the mean in a dot plot do you want to use the number of dots of the actual number underneath of the

yuradex [85]

The number of dots tells us how many times we need to add the actual number underneath the dots. So you need to use both.

<h3>Which number should you use for the mean?</h3>

Let's suppose we have the next set:

{2, 2, 2, 4, 5, 5, 6}

If you graphed it in a dot plot, then you will have:

3 dots above the number 2.
1 dot above the number 4.
2 dots above the number 5.
1 dot above the number 6.

A total of 7 dots.

To find the mean, we just compute:

$M = \frac{2 + 2 + 2 + 4 + 5 + 5 + 6}{7} = 3.7$

So the number of dots tells us how many times we need to add the actual number underneath the dots. In conclusion, to find the mean you need to use both, the number of dots and the number underneath.

If you want to learn more about dot plots:

brainly.com/question/15853311

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2 years ago

A certain psychological test measures empathy and emotional intelligence. The mean and standard deviation of the difference, D,

Triss [41]

Answer: b and d

- the average of the difference of scores would be about 19 points if you were to take many many samples of first year and senior pairs.

- for a pair of randomly selected first year and senior students the difference of their scores typically varies from the mean of 19 points by about 45 points.

Step-by-step explanation: got it right on edge :)

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2 years ago

What is pls help someone with the problem?2x + 3 = 9

Likurg_2 [28]

Answer:

Step-by-step explanation:

2x+3=9

2x=9-3

2x=6

2 2

x=3