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Semmy [17]
2 years ago
7

Using mean and mean absolute deviation to compare data iready quiz answers

Mathematics
2 answers:
Marizza181 [45]2 years ago
7 0

The mean of a data us the addition of all numbers in the data set and then dividing them by the number of values in a set.

<h3>What is a mean?</h3>

Your information is incomplete. Therefore, an overview will be given. It should be noted that a mean simply means the average of a set of numbers that are given.

For example, if we have the following numbers:

3, 9, 4, 1, and 3. The mean will be:

= (3 + 9 + 4 + 1 + 3)/5

= 4

The mean absolute deviation is the average distance between the data points and the mean.

Learn more about mean on:

brainly.com/question/1136789

yKpoI14uk [10]2 years ago
6 0

There is a small difference in the mean number of stray cats rescued by a new leash at the animal clinic each week and the mean number of stray cats taken in by no ruff stuff animal hospital each week.

<h3>What is mean?</h3>

Mean is nothing but the average of the given set of values. It denotes the equal distribution of values for a given data set.

For the first case;

Mean = (13*5 + 14*10 + 15*19 + 16*13 + 17*4)/75 = 10.21

For the second case;

Mean =(3*2 + 4*10 + 5*21 + 6*11 + 7*5 + 8*3)/33 = 10.48

Hence, there is a small difference in the mean number of stray cats rescued by a new leash at the animal clinic each week and the mean number of stray cats taken in by no ruff stuff animal hospital each week.

To get more about the mean visit:

brainly.com/question/20436432

#SPJ4

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C. Find the value of x. Round to the nearest<br> tenth.
Otrada [13]
Label your sides= hypotenuse(h),opposite(o),adjacent(a)
hypotenuse=longest(opposite the right angle)
opposite= opposite the other angle
adjacent= the other side
see which sides are involved
in this case it is adjacent and hypotenuse
so A and H
we have to use the SOHCAHTOA rule
Sin=o/h Cos=a/h Tan=o/a
we use cos because a and h are involved
Cos(15°)=62/x
rearrange the equation to find x
x= 62/cos(15)
put this in your calculator
x= 64.12
6 0
3 years ago
What is 3x10)+(3456/3629) + (2341x123) + (123 infinity x 90) i will give branliest
Shkiper50 [21]

Answer:

∞

Step-by-step explanation:

I assume you meant 3×10 + 3456/3629 + 2341×123 + 123 ∞×90 and x is multiplication and not a variable.

7 0
2 years ago
How many 1/16 pound servings are there in a bag of almonds that weighs 3/4 pound
Lena [83]
3/4 divided by 1/16 = 3/4 x 16 = 12 servings
5 0
2 years ago
A scientist is interested in the effect of time spent with parents and number of hours
gladu [14]

Answer: If X = 5, z=<u>-3</u>

If X = 37, z= <u>3.4</u>

Step-by-step explanation:

We know that the formula to find the z-score for any random variable x is given by :-

z=\dfrac{x-\mu}{\sigma}

, where \mu = Population mean

\sigma = Population standard deviation.

As per given , we have

\mu=20\\\\\sigma=5

Then , the z-score for x =5

z=\dfrac{5-20}{5}=\dfrac{-15}{5}=-3

i.e. If X = 5, z=<u>-3</u>

When x =37,then z=\dfrac{37-20}{5}=\dfrac{17}{5}=3.4

i.e. If X = 37, z= <u>3.4</u>

7 0
3 years ago
A family has two cars. The first car has a fuel efficiency of 35 miles per gallon of gas and the second has a fuel efficiency of
cestrela7 [59]

The amount of gas consumed by first and second car were 20 gallons and 15 gallons respectively.

<em><u>Explanation</u></em>

Suppose,  x gallons of gas were consumed by the first car.

As the total gas consumption in one week is 35 gallons, so the amount of gas consumed by second car will be:  (35-x) gallons.

The first car has a fuel efficiency of 35 miles per gallon of gas and the second has a fuel efficiency of 15 miles per gallon of gas.

So, the <u>distance traveled by the first car</u> in x gallons of gas =35x miles and the <u>distance traveled by the second car</u> in (35-x) gallons of gas =15(35-x) miles.

Given that, the two cars went a <u>combined total of 925 miles</u>. So, the equation will be.....

35x+15(35-x)=925\\ \\ 35x+525-15x=925\\ \\ 20x=925-525=400\\ \\ x=\frac{400}{20}=20

So, the amount of gas consumed by the first car is 20 gallons and the amount of gas consumed by the second car is: (35 - 20) = 15 gallons.

3 0
3 years ago
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