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Liula [17]
2 years ago
13

Can someone help me with this question please and thank you.

Mathematics
1 answer:
Diano4ka-milaya [45]2 years ago
4 0
Is there a graph or chart? Or a word problem that tells us some information
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3 years ago
You find a certain stock that had returns of 9 percent, −16 percent, 18 percent, and 14 percent for four of the last five years.
antiseptic1488 [7]

Answer:

26.5, 14.344

Step-by-step explanation:

given that you find a certain stock that had returns of 9 percent, −16 percent, 18 percent, and 14 percent for four of the last five years. The average return of the stock over this period was 10.3 percent,

Let the missing return in the 5 years be x

Then we get total of all five years

= 9-16+18+14+x\\=x+25

This will also be equal to the given average multiplied by 5

= 5(10.3)\\=51.5

Equate both to get an equation in X as

x+25 =51.5\\x=26.5

Missing year return =26.5

Variance = sum of (x-10.3)^2

=1.3^2+26.3^2+7.7^2+3.7^2+16.2^2\\=205.76

Std dev= 14.344

4 0
2 years ago
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