I = Prt
r = annual simple interest rate
t = time in years
A = P+ Prt or A = P (1 +rt)
A = amount, or future value P = Principal, or present value
r = annual simple interest rate (written as a decimal
t = time in years
A national survey on substance abuse, 66.4 % of respondents who were full-time college students aged 18 to 22 reported using alcohol within the past month.
Is the value a parameter or statistic?
Determine whether the variable is qualitative or quantitative.
Driver's license class
Determine whether the study depicts an observational study or an experiment.
A study is conducted to determine if there is a relationship between hearing loss and exposure to mumps. One thousand patients with hearing loss are asked about their about their exposure to mumps.
As part of a college literature course, students must select three classic works of literature from a list and complete critical book reviews for each selected work. Which of the following would produce a simple random sample?
Number the books from 1 to 9 and use a random number table to produce 33 different one digit numbers corresponding to the books selected.
List each book on a separate piece of paper, place them all in a hat, and pick three.
List each name on a separate piece of paper; place them all in a hat, and pick five.
Number the names from 1 to 588588 and use a random number table to produce 55 different three-digit numbers corresponding to the names selected.
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