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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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Suppose the profit a honda dealership makes on the next 5 accords it sells are:564, 1,000, 848, 1,495, 1,348. calculate the stan
stepladder [879]
First we have to find the mean (average)
mean = (564 + 1000 + 848 + 1495 + 1348) / 5 = 5255 / 5 = 1051

now we subtract the mean from every data point, then square it
564 - 1051 = -487......-487^2 = 237169
1000 - 1051 = -51......-51^2 = 2601
848 - 1051 = -203......-203^2 = 41209
1495 - 1051 = 444......444^2 = 197136
1348 - 1051 = 297......297^2 = 88209

now find the mean of the results.....but know when ur dealing with a sample instead of the whole population, u divide by 1 number less...so instead of dividing by 5, u divide by 4.
(237169 + 2601 + 41209 + 197136 + 88209) / 4 = 566324 / 4 = 
141581.....this is called ur variance

now take the square root of the variance and u have ur standard deviation
sqrt (141581) = 376.272 rounds to 376.27 <==
5 0
3 years ago
Which number is greater?<br><br> A. 3.33 x 10^7<br> B. 2.34 x 10^5
Zina [86]

Answer:

3.33times 10^7 because when it is possible to substract 2.24times10^5 from it

5 0
3 years ago
Read 2 more answers
PLEASE HELP!!!
Inessa [10]

Answer:

Step-by-step explanation:

3 0
2 years ago
A friend provides 100 pieces of supporting evidence for a mathematical statement. What is the minimum number of counterexamples
seraphim [82]

Answer:

1 true good statement can prove his friend wrong.

Step-by-step explanation:

Answer is 1.

7 0
2 years ago
Find the angle measure to the nearest degree. <br> cos A = 0.7431<br> How do I do this?
svet-max [94.6K]

Answer:

Step-by-step explanation:

If you are looking for a missing angle measure, you use the 2nd button and the cos button.  Make sure, first off, that your calculator is in "degree" mode by hitting the "mode" button and making sure that the "degree" is highlighed and not the "radian".  Then hit "clear".  Once you know that you are in the correct mode, hit "2nd" then "cos" and you will see this on your screen:

cos^{-1}(

Inside the parenthesis you will enter your decimal, so it looks like this now:

cos^{-1}(.7431

You do NOT have to close the parenthesis, but you can if you want to.  Then hit "enter" to get that the angle that has a cosine of .7431 is 42.0038314 or, to the nearest degree, 42

6 0
2 years ago
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