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kotykmax [81]
3 years ago
7

What is the mean absolute deviation of the data set? {12, 17, 12, 8, 6} A: 3.2 B: 5.5

Mathematics
2 answers:
iris [78.8K]3 years ago
5 0

Answer:

the answer is 3.2

Mariulka [41]3 years ago
4 0
Add all the numbers in the data set to get 55. them divide by 5 to get 11, which is the average or the mean. then find the deviation of each number in the data set. in other words, subtract the mean from each number in the data set.
so, for the
1st #--> 1
2nd #--> 6
3rd #--> 1
4th #--> 3
5th #--> 5
add all these numbers up to get 16 and then divide it by 5 to get 3.2 as the mean absolute deviation.

Hope this helped :-)
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Let z denote a random variable that has a standard normal distribution. Determine each of the probabilities below. (Round all an
Lorico [155]

Answer:

P(Z < 2.37) = 0.9911.

Step-by-step explanation:

We are given that Let z denote a random variable that has a standard normal distribution.

Let Z = a random variable

So, Z ~ Standard Normal(0, 1)

As we know that the standard normal distribution has a mean of 0 and variance equal to 1.

                          Z  =  \frac{X-\mu}{\sigma}  ~ N(0,1)

where, \mu = mean = 0

           \sigma = standard deviation = 1

Now, the probability that z has a value less than 2.37 is given by = P(Z < 2.37)

        P(Z < 2.37) = P(Z < \frac{2.37-0}{1} ) = P(Z < 2.37) = 0.9911

The above probability is calculated by looking at the value of x = 2.37 in the z table which has an area of 0.9911.

4 0
3 years ago
1) The length of a rectangle is 5 feet more than 3 times its width. If the area is 182
Rom4ik [11]

Answer:

answer is attached on the photo

6 0
3 years ago
Hey, I've been extremely confused with problems like :7x²-12x-4
bonufazy [111]
Factor by grouping.

(7x+2)(x-2) I think not sure
4 0
3 years ago
The mass of the sun is 21.3525×102921.3525×1029 kg. the mass of mercy is 328.5×1021328.5×1021 kg.how many times larger is the ma
Liono4ka [1.6K]
This is basically a simple problem to understand. The only thing that needs to be done is to divide the mass of the sun by the mass of mercury. It will give the required result.

Number of times the mass of sun is greater than
the mass of mercury =  21.3525×102921.3525×1029/<span>328.5×1021328.5×1021
                                  = </span><span>7.1783629e+15
I hope that this is the answer that you were looking for and it has come to your great help.</span>
8 0
3 years ago
A mathematician goes to his friend's house and asks his friend to guess the age of his three daughters:
bonufazy [111]
The ages are 3, 3, and 8
3 0
3 years ago
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