Simple Interest
Compound Interest
Mortgages
Sampling & Terms
Mixed Applications
100
What is $80?
Use I = Prt. Find interest on $800 at 5% for 2 years.
100
What is $1,416?
Find total amount A for simple interest with P=$1,200, r=6%, t=3 years.
100
What is 5%?
Simple interest on $500 is $75 after 3 years. Find the annual rate.
100
What is it stays constant?
In simple interest, does interest each period change or stay constant?
100
What is $144?
A loan charges 9% simple interest for 8 months on $2,400. Find the interest.
200
What is $1,081.60 (about)?
Use A=P(1+r/n)^(nt): Find A for P=$1,000, r=4%, n=1, t=2.
200
What is 6% compound monthly?
Which earns more after one year: 6% simple interest or 6% compound monthly?
200
What is the total number of compounding periods?
What does the exponent nt represent in the compound interest formula?
200
What is 4?
If a balance compounds quarterly, what is n?
200
What is exponential growth?
An account doubles every 10 years. Is growth linear or exponential?
300
What is interest?
The monthly mortgage payment includes principal and what other major charge?
300
What is a table showing each payment split into principal and interest over time?
What is an amortization schedule?
300
What is interest?
Early in a fixed-rate mortgage, most of each payment goes to principal or interest?
300
What is 360 payments?
A 30-year mortgage with monthly payments has how many total payments?
300
What is it decreases?
If you make extra principal payments, what happens to total interest paid?
400
What is the population?
A sample should represent the larger group called the _____.
400
What is systematic sampling?
Selecting every 10th student from a roster is what sampling method?
400
What are outliers?
Data values that are very far from the rest are called _____.
400
What is voluntary response bias?
A survey of volunteers from social media likely has what kind of bias?
400
What is a statistic?
A numerical summary from a sample is a statistic or a parameter?
500
What is compound interest (about $1,259.71 vs $1,240)?
Compare $1,000 for 3 years at 8% simple vs 8% compounded annually. Which is larger?
500
What are total interest paid and loan payoff time/credit status?
A mortgage payment is due on the 1st each month. Missing a payment mainly affects what two things?
500
What is no?
If your sample is too small and not random, can you generalize confidently?
500
What is $150 per year?
A principal of $5,000 at 3% simple interest earns how much per year?
500
What is any quantitative variable, such as study hours, sleep hours, or commute time?
Name one variable a student could measure for a campus statistics project.
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