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tamaranim1 [39]
1 year ago
7

Which measure of central tendency, the median or the mean, is more affected by the outlier? Why?

Mathematics
1 answer:
slamgirl [31]1 year ago
8 0

To answer this question let's remember the definitions of the mean and the median.

The mean is defined as the sum of all the values is the data set divided by the number of values we have in the data set, that is:

mean=\frac{\sum_{i\mathop{=}1}^nx_i}{n}

On the other hand, the median is defined as the central number of the data set, that is, it the number that divides the ordered data set in two subsets of equal length.

From this definition we conclude that the mean is more affected by outliers; this comes from the fact that for this central tendency measure we need to add the values and hence the outliers will affect this sum.

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Ratling [72]
8x - adults
5x - children

8x+5x=390\\
13x=390\\
x=30\\\\
5x=5\cdot30=150
8 0
3 years ago
Alice and Enrique are jogging on a trail that is 6 1⁄8 miles long. If they take a short break after jogging the first 3 1⁄2 mile
postnew [5]

Answer: 2 5/8 miles


Step-by-step explanation:

Because 6 1/8 - 3 1/2 = 2 5/8, Alice and Enrique will have 2 5/8 miles left to jog after their break.

Hope it helps :)

8 0
3 years ago
Molly's favorite store is running a great deal. All products are marked down 20% from their original
Black_prince [1.1K]

Answer:

  • D. 0.8p(1p-0.2p)

Step-by-step explanation:

<u>If p is the original price, the markdown price is:</u>

  • p - 20% =
  • p - p(20/100) =
  • p - 0.2p =
  • 0.8p

<u>Now, another 20% off:</u>

  • 0.8p - 20% =
  • 0.8p - 0.8p(20/100) =
  • 0.8(p - 0.2p) =
  • 0.64p

<u>Answer choices:</u>

  • A. 0.2(1p-0.2p)
  • B. 0.6p
  • C. (1p-0.2p)-0.2p
  • D. 0.8p(1p-0.2p)

Correct one is D

8 0
2 years ago
Your brother is 1/6 your age. Your sister is 7 years older than your brother. Your sister is 10 years old. Write and solve an eq
mr Goodwill [35]

Answer:

you are 18

Step-by-step explanation:

10-7=3

3*6=18

or backwards,

18*1/6=3

3+7=10

5 0
3 years ago
Read 2 more answers
In 2000, a total of 531,285 live births were recorded in state of California. In 2006, the total number of live births rose to 5
zhannawk [14.2K]
Percent increase
find increase
then divided that by original

562157+531285=30872=increase

now put that over original
30872/531285=0.05810817/1
percent means partst out of 100
make bottom number 100
0.05810817/1 times 100/100=5.810817/100=5.810817%
thousanth
5.811%



6 0
3 years ago
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