a. The average
sum of all values
total number of values
a. Is the middle value in the sorted data or halfway
between the two middle values if the number of
values is even
3. The mode
a. Is the most common value or group of va
Chapter 3 Class Notes
Absolute Change vs. Relative Change
1. Absolute Change= New Value Reference Value
2. Relative change - Absolute Change / Reference Value
a. New Value- Reference Value / reference Value
3. The absolute Difference- is the actual differ
Absolute Error vs. Relative Error
1. Absolute error = measured value true value
2. Relative error = absolute error / true value
a. Measured value true value / true value
3. Accuracy vs. Precision
i. Describes how closely a measurement
1. Compound interest formula for continuous compounding
A = P e (APR )
A = accumulated balance after Y years
P = regular payment (deposit) amount
APR = annual percentage rate (as a decimal)
Y = Number of years
e = the special number called Eulers con
1. Two type of arguments
a. Inductive Reasoning
b. Deductive Reasoning
2. What are units?
a. Quantity describes what is being measured or counted.
3. Metric Conversions
a. Moving between metric units requires shifting the
decimal place one to th
a. Is the study of the methods and principles of reasoning
a. Uses a set of facts or assumptions, called premises, to
support a conclusion
a. Is a deceptive argument
b. An argument in which the conclus
The argument given or described involves some kind of fallacy.
Identify the fallacy.
When confronted with questions from the press about alleged
scandals, a congressman replies that the allegations against him should
be ignored since his accuser is par
Use the compound interest formula for continuous
compounding to determine the accumulated balance after
the stated period
1. A $3217 deposit in an account with an APR of 6.5%
compounded continuously for 4 years.
Find the annual percentages yiel
Solve the problem
1. A sports shop sells tennis rackets in 4 different weights,
2types of string, and 3 grip sizes. How many different
rackets could they sell?
a. 4*3*2= 24
Find the indicated probability.
2. Three fair coins are tossed. Find the probabili
F INAL EXAM REVIEW
Identify the fallacy in the given arguments.
(a) You should brush your teeth every day because brushing your teeth is very important.
(b) Buy this televisionits the most popular brand!
(c) Dad: If you want to do well in lif