What is the mean absolute deviation?
92, 83, 88, 94, 91, 85, 89, 90

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Ответ:

barb4you67

21.10.2021

Mathematics

They should deposit $81.38 monthly.

Step-by-step explanation:

The formula of Future Value of an Annuity is as follows :

FV of annuity = $P(\frac{(1+r)^{n}-1 }{r}$

Where FV of annuity = $35,450

P = Monthly Payment

r = rate of interest 5.5% annually = $\frac{5.5}{12}$ %

n = number of period = 20 years = 240 months

Now put all the values

⇒35450 = $P(\frac{1+\frac{(0.055}{12})^{240}-1 }{\frac{0.055}{12} } )$

⇒ P 35450

$\frac{(1+\frac{0.055}{12})^{240}-1 }{\frac{0.055}{12} } )$

⇒ 81.37688 rounded to 81.38

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What is the mean absolute deviation? 92, 83, 88, 94, 91, 85, 89, 90