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Dominik [7]
3 years ago
9

Pls help me to find IK!

Mathematics
1 answer:
docker41 [41]3 years ago
3 0

Answer:

30

Step-by-step explanation:

31-12=19

49-19=30

Good Luck?!

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Over the first five years of owning her car, Gina drove about 12,700 miles the first year, 15,478 miles the second year, 12,675
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Answer:

Part a)

Mean: 13155.6

Mode:None

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Step-by-step explanation:

12700 : 1

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Mean :  

=\frac{Sum of all values}{Total no. of values} \\=\frac{12700 + 15478 + 12675 + 11850 + 13075}{5}\\=\frac{65778}{5}\\= 13155.6

Mode:

All values are distinct, therefore there is no mode. A mode is value which occurs most frequently.

Median:

Arrange the values in ascending order:

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The mid value is median: 12700


Part b)

It depends upon the data. In this question the best way to predict how many miles Gina will drive in the next years is by using Median of the data.

The reason is that there is a potential outlier in the data  i.e 15478. In case of outlier median tends to give better predictions.

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