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3 years ago

Find the Mean and MAD of the data set: 7, 6, 17, 8, 7, 9

Mathematics

2 answers:

Oliga [24]3 years ago

7 0

Answer:

Mean:9

MAD:2.7

Step-by-step explanation:

Mean:7+6+17+8+7+9=<u>54/6</u>=9

MAD: 9-6.3=2.7

(6.3 is the mean absolute deviation)

matrenka [14]3 years ago

5 0

Answer: Mean: 9

MAD: 46

Step-by-step explanation:

I will show u how to work out the mean

and the mad so u know

MEAN:

The mean is the average of the numbers. It is easy to calculate: add up all the numbers, then divide by how many numbers there are. In other words it is the sum divided by the count.

MAD:

1) To find the mean absolute deviation of the data, start by finding the mean of the data set.

2 )Find the sum of the data values, and divide the sum by the number of data values.

3) Find the absolute value of the difference between each data value and the mean: |data value – mean.

MARK THIS AS THE BRAINLIEST PLEASE

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A = {a, b, c, d}

Helen [10]

Answer:

Johnny is wrong.

$A \cup B = \left\{a,b,c,d,e,f,g,h\right\}$

Step-by-step explanation:

Johnny is wrong.

A better definition would be: $A \cup B$ is the set of all elements that belong to at least one A or B.

So, the elements that belong to both A and B, like c and d in this exercise, also belong to $A \cup B$ .

So:

$A \cup B=\left\{a,b,c,d,e,f,g,h\right\}$

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2 years ago

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lyudmila [28]

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So 17 x 10 is 170
170 is in standard form

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erastova [34]

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Oksana_A [137]

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3 years ago

An account earns simple interest. $1675 at 4.6% for 4 years a. Find the interest earned. $___ b. Find the balance of the account

Colt1911 [192]

A. First, divide 1675 by 100 to find 1% of it.
1675 / 100 = 16.75
Then, multiply 16.75 by 4.6 to get 4.6%.
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Multiply it by 4 to get the interest for 4 years.
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B. Add the interest to the original balance to get the total.
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Hope this help!

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3 years ago