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KiRa [710]
1 year ago
7

A silent auction was held for a quilt donated for charity. Fifteen bids that were drawn randomly are listed here. Find the value

of the 45th percentile. $85 $240 $120 $60 $315 $190 $145 $105 $285 $260 $95 $215 $235 $175 $155
Mathematics
1 answer:
Alik [6]1 year ago
8 0
45th percentile means that 45% of the data fall below that number while 55% (that is, 100-45) fall above it.

Now, arranging the number in ascending order;
$60, $85, $95, $105, $120, $145, $155, $175, $190, $215, $235, $240, $260, $285, $325

The total number of counts = 15
Then,
Index = 15*45% = 15*0.45 = 6.75

Round up,
Index = 7

The,
7th number = $155

Therefore, 45th percentile value of the data = $155
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water          juice

12                10

24               20

36               30

48               40

60               50

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The paired data below consist of the temperatures on randomly chosen days and the amount a certain kind of plant grew (in millim
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Answer:

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x y xy x^2 y^2

     

62 36 2232 3844 1296

76 39 2964 5776 1521

50 50 2500 2500 2500

51 13 663 2601 169

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46 33 1518 2116 1089

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cov 33.88888889    

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sx *sy      

r 0.195529176    

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