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Pavel [41]
3 years ago
14

Why is it best to compare medians and interquartile ranges for these​ data, rather than comparing means and standard​ deviations

? A. Some of these data have vastly different​ centers, and the median and interquartile range provide more reliable information in these circumstances. B. These data are fairly symmetric and do not have​ outliers, and the median and interquartile range provide more reliable information in these circumstances. C. Some of these data have outliers​ and/or are​ skewed, and the median and interquartile range are resistant to outliers. D. Some of these data have outliers​ and/or are​ skewed, and the median and interquartile range amplify the effects of outliers and skewness.
Mathematics
1 answer:
Elanso [62]3 years ago
8 0

Answer:Some of these data have outliers​ and/or are​ skewed, and the median and interquartile range are resistant to outliers.

Step-by-step explanation:

Outliers often characterize a lot of data. Outliers are extreme values which have obvious impact on the value of the standard deviation of a given distribution.

However, the median and interquartile range are resistant to outliers hence they can be used even in the presence of outliers in the distribution.

You might be interested in
V= 11.43<br><br> L= 2.5<br><br> W= 1.2
Ksju [112]

Depth is 3.81

Step-by-step explanation:

V = l x w x d

11.43 = 2.5 x 1.2 x d

11.43 = 3 x d

÷3

3.81 = d

Hope this helps!

5 0
2 years ago
Department started out with 100 pencils and 200 pens during the lat quarter of this year they lost 4% of the pens and 2% of the
o-na [289]

Answer:

The remaining number of the pencil   =  98

The remaining number of the pens  =  192

Step-by-step explanation:

Here, according to the question:

The number of pencils at the starting at the quarter = 100

The percentage of the lost pencil over the year = 2%

Now, calculating the lost pencil, we get:

2% of 100 = \frac{2}{100}  \times 100 = 2

⇒The number of lost pencil over the year = 2

So,Number of remaining Pencil = Total pencil - Number of pencil lost

                                                       = 100 - 2 = 98

The number of pens at the starting at the quarter = 200

The percentage of the lost pens over the year = 4%

Now, calculating the lost pens, we get:

4% of 200 = \frac{4}{100}  \times 200 = 8

⇒The number of lost pens over the year = 8

So,Number of remaining Pens = Total pens - Number of pens lost

                                                       = 200 - 8 = 192

Hence, the remaining number of the pencil   =  98

And and the remaining number of the pens at the end of the year  = 192

6 0
3 years ago
Determine the intercepts of the line 4x-3y=17
bezimeni [28]

Answer:

x-intercept = 17/4 and y = -17/3

Step-by-step explanation:

To find the intercepts: set x = 0 for the y-intercept and solve the equation and set y =0 for the x- intercept and solve the equation.

To

4x - 3y = 17

4(0) - 3y = 17

0 - 3y = 17

  y = 17 /-3

 y = -17/3 = -5 2/3       y-intercept = -5 2/3.

The ordered pair on the graph is (0, -17/3)

   4x - 3(0) = 17

     4x - 0 = 17

      4x = 17

       x = 17/4       x-intercept = 17/4

    The ordered pair on the graph is (17/4, 0)

3 0
3 years ago
Four students are running for class president: liz, sam, sue, and tom. the probabilities of sam, sue, and tom winning are 7⁄25 ,
Natali5045456 [20]
First, we need to convert all the fractions to have the same denominator. 10 and 25 are both multiples of 100, so 100 would be appropriate. 

Sam has a 7/25 chance. Because we want ?/100, something needs to change. To get from 25 to 100, you need to times 25 by 4, right? So, do the same with the 7.
7 x 4 = 28. Therefore Sam has a 28/100 chance.

Sue has 3/10. Using the same method, we can see that 3 needs to be multiplied by 10 (because 10 times 10 = 100). So Sue has a 30/100 chance.

Tom is already in the fraction we like, so just keep this as 21/100. 

Now, add 28/100, 30/100 and 21/100 to get 79/100. 

Because won of them will get the role of class president, we know that the probability adds to 1. To get a full probability (100/100, or 1), what needs to be added to 79/100? 

Another way of going about this is 100/100-79/100. The answer is 21/100

The probability of Liz winning is 21/100. 

Let me know if this is still unclear, I would be more than happy to explain in more detail if necessary :) 
8 0
3 years ago
Find the area of the triangles
OleMash [197]
1) 25.7
2) 16.6
3) 38.88
4)12.29
5)39.60
6) 11.39
7) 31.96
8) 12.35
To mention all the answers are approximate because most of the values were not exact, so give feedbacks for more answers.
8 0
3 years ago
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