Show:
Simple Interest
Compound Interest
Mortgages
Stats Terms
Sampling
100
$30
Find simple interest on $200 at 5% for 3 years.
100
A=P(1+r/n)^(nt)
Compound formula for n compounds/year?
100
loan principal (present value)
In payment formula, what is PV?
100
population
Term for entire group studied?
100
random sample
Sample chosen by chance is?
200
I = P r t
Simple-interest formula?
200
$121
$100 at 10% annually 2 years -> A?
200
0.5% or 0.005
Monthly rate for 6% annual?
200
statistic
Term for numeric sample summary?
200
voluntary response bias
Bias when volunteers self-select?
300
$540
Balance on $500 at 4% simple for 2 years?
300
4
For quarterly compounding n equals?
300
360
Payments count on 30-year monthly loan?
300
4
Mean of 2,4,6?
300
systematic
List of every 10th is what sampling?
400
5%
At simple interest, I=$60,P=$400,t=3; r?
400
(1.01)^12-1 ≈12.68%
Effective annual rate of 1% monthly?
400
amount borrowed/principal
Down payment reduces what?
400
median
Middle of sorted data called?
400
stratified
Divide by grade then sample: what type?
500
5 years
Time if I=$90,P=$300,r=6%?
500
2%
For A=500(1.02)^6, identify rate per period.
500
about $719
Monthly payment on PV=120000,r=.06/12,n=360 (approx)?
500
discrete
Variable that is a count (integer) is?
500
range
Difference max minus min called?