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Hitman42 [59]
3 years ago
12

Two datasets arranged in descending order are: {8, x, 4,1) and (9. y, 5,2). If the medians of

Mathematics
2 answers:
Norma-Jean [14]3 years ago
6 0

Answer:

Step-by-step explanation:

Dataset 1 (in increasing order)

{1, 4, x, 8}

Dataset 2 (in increasing order)

{2, 5, y, 9}

Median of dataset 1

[4 + x] / [2]

Median of dataset 2

[5 + y] / [2]

since the medians of the two given sets of data are the same,

=> [4 + x] / [2] = [5 + y] / [2]

=> 2(5 + y) = 2(4 + x)

=> 10 + 2y = 8 + 2x

=> 2y - 2x = 8 - 10

=> 2y - 2x = - 2

=> 2(y - x) = - 2

=> [2(y - x)] / [2] = [- 2] / [2]

denominators and numerators cancel out

=> (y - x) = - 1

Therefore, (y - x) ² = (-1)²

=> (y - x) ² = 1

OverLord2011 [107]3 years ago
3 0

Answer:

Legon fo)

Step-by-step explanation:

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