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lbvjy [14]
4 years ago
7

Consider the dot plot which shows the distribution of data collected on the amount of time Jason sleeps each night. Find the dif

ference between the mean and median. (round to nearest tenth)
A) 0.2
Eliminate
B) 0.3
C) 0.6
D) 0.8

Mathematics
1 answer:
Tatiana [17]4 years ago
8 0

Answer:

A) 0.2  

Step-by-step explanation:

From least to greatest, the data points are

6, 6, 6, 7, 7, 7, 8, 8, 8, 9

To find the mean, we find the sum of the data points and divide by the number of data points, 10.  The sum of the data points is

6+6+6+7+7+7+8+8+8+9 = 72

Dividing by 10, the mean is 72/10 = 7.2.

The median is the middle number in the set.  This is 7.

The difference between the mean and the median is

7.2-7 = 0.2.

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An inference which this passage would best support is that: A. the people at the store do not share Julia’s heritage.

<h3>What is deductive reasoning?</h3>

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<h3>What is an inference?</h3>

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7 0
2 years ago
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Gnesinka [82]

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3 0
4 years ago
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<h3>Hello!</h3>

===============================

In order to find the vertex of a parabola, we use the following formula:

\bold{\displaystyle\frac{-b}{2a} }}

Remember, a parabola looks like so:

\tt{y=ax^2+bx+c}

Now we know what a and b stand for.

In this case, b is -4, and a is -1:

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===================================

<h3>Notes:</h3>
  • Hope everything is clear.
  • Let me know if you have any questions!
  • Enjoy your day!
  • Always remember: Knowledge is power!
<h3>Answered by:</h3>

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Below zero that means negative

So answer is -21

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