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natali 33 [55]
3 years ago
8

1. Find the mean for 2, 5, 9, 4

Mathematics
2 answers:
Reil [10]3 years ago
6 0

Answer:

Answer 1. 5     Answer 2. 60   Answer 3. 37

Step-by-step explanation:

PilotLPTM [1.2K]3 years ago
5 0

Answer:

1. 5

2. 60

3. 37

Step-by-step explanation:

To find the mean you must add up all the numbers you have in the number set and then divide by the amount of numbers you have in the number set. For example, for number one you add 2+5+9+4, which equals 20, then divide by 4 because that is how many numbers you have in the set. After dividing 20 by 4 you should get 5.

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Select all equations that are equivalent to 5x + 6/2= 3-(4x +12)​
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Step-by-step explanation:

6 0
3 years ago
AD=<br> DC=<br> Angle a=<br> Angle b=<br> Angle c=
Nadya [2.5K]

9514 1404 393

Answer:

  AD= 8

  DC= 15

  Angle a= 112°

  Angle b= 68°

  Angle c= 112°

Step-by-step explanation:

We have to assume the figure is a parallelogram.

Opposite sides of a parallelogram are congruent, so ...

  BC = AD = 8

  AB = DC = 15

Opposite angles are congruent, and adjacent angles are supplementary.

  180° - ∠D = Angle a = Angle c = 112°

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4 0
3 years ago
Roger claims that the two statistics most likely to change greatly when an outlier is added to a small data set are the mean and
Leni [432]

Answer:

No, the Roger’s claim is not correct.

Step-by-step explanation:

We are given that Roger claims that the two statistics most likely to change greatly when an outlier is added to a small data set are the mean and the median.

This statement by Roger is incorrect because the median is unaffected by the outlier value and only the mean value gets affected by the outlier value.

As the median represents the middlemost value of our dataset, so any value which is an outlier will be either at the start or at the end will not the median value. So, the median will not likely change when an outlier is added to a small data set.

Now, the mean is the average of all the data set values, that is the sum of all the observations divided by the number of observations. The mean will get affected by the outlier value because it take into account each and every value of the data set.

Hence, the mean will likely to change greatly when an outlier is added to a small data set.

7 0
4 years ago
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