g torchoose the sample,such as 7 '.
Mingnu I. a 61-
mple that is convenient to select, such as 9" jg f A
aw \o _ AQIO A11! n'b.|
Stratied Sampling 00 HEW
a V . . u. I l . '
We use thlS method when we are concerned about 5 ";KVA;a1l; s U I 0, T0 0
' l
xam
H V' [057' 4 NW 5551
News poll of 900 registered voters found that 19% of Americans r-
'g1fts they received as gis). Women (21%) are more likely to regi than men
the results are nearly independent of income. The margin of error was i=3 per'ce
points.
a.
Stake
following table shows the average (mean) salanes of public school to
state and the district of Columbia.
a. State whether the variable 1s qualitative or quantrtatlk?
emmm
540,000-345,000 b. Draw a pie chart if the data are qualitative.
545,000550,00
Histograms
A line graph serves the same basic purpose A histogram is a bar graph in
as a histogram, but connects a series of dots which the data categories are
mstead of using bars. We
being s I . or f s
of that population from Will
Va 4 a 1 d C! m, are actually obtained.
Population W are specic characteristics of the population that a ,
statistical study 1s designed to W. Sample statistics are EEES V
orwmthat summarize the y (A M ) ( k
MAT112 Review for Midterm Exam
1. Use unit fractions to convert 11 days to seconds.
2. An aid conditioning system can circulate 280 cubic feet of air per minute. How many cubic yards of
air can it circulate per minute?
3. Suppose that a new fuel-efficient
Social Psychology
What Is Social Psychology?
The scientific study of the ways in which the
thoughts, feelings, and behaviors of an
individual are influenced by the real or
imagined behavior of others.
Main areas
Social cognition
Attitudes
Social influe
Name _ Ch 9 Motivation & Emotion
1.
A need that energizes and activates an organism and directs its behavior toward a specific goal is
known as a(n) _.
a. incentive
b. behavior
c. motive
d. stimulus
2.
Hugh has such a strong need to bolster his fragile se
Alexis Marciniak
October 15th, 2016
MAT112
Spending Activity
CATEGORIES
EXPENDITURES (2WKS)
YEAR-TO-DATE
ENTERTAINMENT
41.78
1,086.28
GAS
37.24
968.24
FOOD
23.88
620.88
IMPULSE
14.29
371.54
Reflection:
What did you learn? Are there any changes you might m
Taking Control of Your Finances
Family Budget Plan
For this project you will read through the given information and follow the steps listed in the
Procedure section. You will then scan and upload a copy of each of the following at Canvas by
the due date:
Davidson Family Monthly Budget Action Plan
Monthly
INCOME
Miscellaneous Income
Salary
Income Total
PAYROLL DEDUCTIONS
Federal Income Tax
FICA Tax
State Income Tax
401-k Retirement Plan
Payroll Deductions Total
FAMILY SAVINGS
Emergency
Christmas
Medical/De
5C Statistical Tables and Graphs
Frequency Tables
Example 1
Final grades of 24 students in a math class:
AAAA BBBBBBB CCCCCCCC DDD FF
Data Types
Qualitative data describe _ or _ categories.
Quantitative data represent _ or _.
Example 2
The blood types of
MAT112 4A Taking Control of Your Finances
Guidelines for Controlling Your Finances
1. Know your _.
2. Know what you _.
3. Dont buy on _.
4. Make a _ and dont _ it.
Example: Natasha buys five $1 lottery tickets every week and spends $120 per month on food.
5D Graphics in the Media
What is the percentage increase in earning for
women when a professional degree is compared to a
bachelors degree?
What is the percentage increase in earnings for men
and women with a professional degree?
How much more likely is a
5A Fundamentals of Statistics
Definitions:
I. Statistics is the science of _, _,
and _ data.
II. Statistics are the _ that _ or
_ something.
The _ in a statistical study is the complete set of
_ or _ being _.
The _ is the _ of that population from which t
MAT112 2B Problem-Solving With Units
Step 1. Identify the _ involved in the problem and the _ that you
_.
Step 2. Use the _ and the
_ to help you find a strategy for solving the
problem. Be sure to perform all operations (such as multiplication or divisio
MAT112 3B Putting Numbers in Perspective
Scientific Notation is a format in which a number is expressed as _
_ , multiplied by _.
Example: 1.5 x 109 =
Example: 2.2 x 10-4 =
Example: 250 million =
Operations with Scientific Notation
Example: (3 x 104)(8 x
MAT112 4D Loan Payments, Credit Cards, and Mortgages
Installment Loans
Consider borrowing $2500 at an annual interest rate of 15% (monthly interest rate:_)
The amount of interest incurred in the first month is _.
A payment of $31.25 each month does / does