Module 4
Sec. 4-2
Sample Space consists of all possible outcomes.
1. For Example, when we toss a coin, there are two possibilities. The coin can land on heads or
tails. So, we write that the sample space is the set made up of heads or tails.
S = cfw_ head
Sec. 2-3
A histogram is a bar graph in which the horizontal scale represents classes of data values and the
vertical scale represents frequencies. For the example, that I gave for section 2-2, we constructed the
following frequency table:
Classe
s
f
5 - 1
MODULE 5
Sec. 5-2
There are two types of Random Variables, Discrete and Continuous.
Discrete Random Variables have a finite number of values or a countable
number of values. For example, the number of outcomes when you roll a die is
6.
Continuous Random V
Module 3:
Sec. 3-2
I. Measure of Center is a value at the center or middle of a data set.
Measure of Center video
II. Three Measures of Center:
Measures of Central Tendency Rap
o
o
Mean is an average of data values.
For example, given the data values 2, 4
Module 1:
Sec. 1-3:
I. Statistics is a collection of methods for planning experiments, obtaining
data, and then organizing, summarizing, presenting, analyzing, interpreting,
and drawing conclusions based on the data.
In performing an experiment, you need
Blended
STA 2023
STATISTICAL METHODS
2014-2
NORTH CAMPUS
Office Number: 7343 at North Campus
Office Hours:
MWF 7:00 AM to 8:25 AM
MW
10:00 AM to 11:05AM
R
8:25 AM to 9:50 AM
On Line: T-TH 6:25PM to 8:00 PM
Instructor Name: Marta Brito-Villani
e-mail: mbri
1/24/2017 Unit 3 Test (Sections 4-2, 4-3, 4-4, 4-5, 4-6)-PABLO MERCADE
Instructor: Miguel Suarez
Student: PABLO MERCADE Course: STA2023 STATISTICS o N L I N
Assignment: Unit 3 Test (Sections 4-2, 4-
Submltted: 01/24/17 4:40am E PATRICIA BERCHIOLLI 564021
Section 1.1
#10
a. Evaluate f (8)
x
0
f ( x) 62
b. Solve
1
2 3
4
8
7 38 86
5
f (x)= 7
6
73 70
7
8
9
39
75 34
For each of the following functions, evaluate: f ( 2), f (1) , f (0) , f (1) , and f (2)
#22
22. Match each graph with its equation.
i.
ii.
iii.
i
NAME: _
STA2023 - HW # 1 (25 MULTIPLE-CHOICE QUESTIONS)
TOTAL POINTS: 100 (4 POINTS PER QUESTION)
DIRECTIONS: ANSWER ALL 25 MULTIPLE-CHOICE QUESTIONS. THERE IS NO PARTIAL CREDIT FOR A
QUESTION IF YOUR ANSWER IS WRONG.
Disclaimer: These QUESTIONS may also
NAME: _
STA2023 - HW # 2 (25 MULTIPLE-CHOICE QUESTIONS)
TOTAL POINTS: 100 (4 POINTS PER QUESTION)
DIRECTIONS: ANSWER ALL 25 MULTIPLE-CHOICE QUESTIONS. THERE IS NO PARTIAL CREDIT FOR A
QUESTION IF YOUR ANSWER IS WRONG.
Disclaimer: These QUESTIONS may also
S T A 2023 - A D D I T I O N A L P R A C T I C E Q U ES T I O N S F O R T E S T # 1.
M U L T IPLE C H O I C E. C hoose the one alternati ve that best com p letes the statement or answ ers the q uestion.
Q. 1) Construct the speci fied h istogram.
1) The 30
NAME: _
STA2023 - HW # 3 (25 MULTIPLE-CHOICE QUESTIONS)
TOTAL POINTS: 100 (4 POINTS PER QUESTION)
DIRECTIONS: ANSWER ALL 25 MULTIPLE-CHOICE QUESTIONS. THERE IS NO PARTIAL CREDIT FOR A
QUESTION IF YOUR ANSWER IS WRONG.
Disclaimer: These QUESTIONS may also
1
Percentiles: are measures of location. There are 99
percentiles denoted P1, P2, . . . P99, which divide a set of data
(ranked scores) into 100 groups with about 1% of the values
in each group.
Quartiles: are measures of location. There are 3 Quartiles
d
1.
Using the information in the table on home sale prices in the city
of Summerhill for the month of June, determine the width of each
class.
2
8
3
1
6
1
3
0
QUESTION 2
1.
4 points
Assume that the data has a normal distribution and the
number of observati
Question 1
6.66667 out of 6.66667 points
Find the indicated probability.
A bin contains 71 light bulbs of which 9 are defective. If 6 light
bulbs are randomly selected from the bin with replacement,
find the probability that all the bulbs selected are goo
Question 1
7.69231 out of 7.69231 points
Find the standard deviation for the given data. Round
your answer to one more decimal place than the original
data.
2, 6, 15, 9, 11, 22, 1, 4, 8, 19
Question 2
7.69231 out of 7.69231 points
Find the standard deviat
Creating Sampling Distributions for Sample Mean Using the Gettysburg Address
The Gettysburg Address
Four score and seven years ago our fathers brought forth on this continent, a new
nation, conceived in Liberty, and dedicated to the proposition that all m
STA 2023 Activity 3: Probability in Practice
1. We compared three investment plans in lecture of section 4.2.
A. 50% chance of winning $100, and 50% chance of losing $50.
B. 50% chance of winning $200, and 50% chance of losing $100.
C. 20% chance of winni
HOMEWORK 3
STA2033
Chapter 5
1. The expected value of a random variable can be thought of as a long-run average. TRUE
2. The number of courses a student is taking this semester is an example of a continuous
random variable. FALSE - courses can be counted
Homework Portfolio 1
STA2033
9/9/2016
Chapter 1
1234-
Probability is used as basis for inferential statistics. TRUE
The heights of the mountains in the state of Alaska are an example of a variable. TRUE
The lowest level of measurement is the nominal level
Literature review APA Referencing Assignment
DUE in class
No late work accepted
As we discussed in class, you are going to go to the MDC Library
Database and find two peer reviewed research articles that relate directly
to ONE of the approved hypotheses t
STA 2023 Activity 2: How Healthy is Starbucks Food?
Calories, fat, carbohydrates, fiber, and protein are five usually seen indices of nutrition among many
others. In the dataset Starbucks Data, you can find the calories, fat (g), carbohydrates (g), Fiber
STA 2023 Solution to Practice Problems for Exam 2
1.
2. a. Denote events
R=a selected capital punishment case had a reversible error
A=a selected capital punishment case resulted in acquittal for defendant during retrial
P(R)=68%
P(A|R)=7%
b. P(R and A)=P
STA 2023 Activity 3: Probability in Practice
1. We compared three investment plans in lecture of section 4.2.
A. 50% chance of winning $100, and 50% chance of losing $50.
B. 50% chance of winning $200, and 50% chance of losing $100.
C. 20% chance of winni
The five principles of ethical leadership are respect, service, justice, honesty, and community.
Respect Others: Immanuel Kant, Beauchamp, and Bowie suggested that treating others as ends
rather than as means requires that we treat other peoples decisions
After taking the leadership behavior questionnaire, I scored in the moderately high range for
both task and relationship. My task score reflects the way I lead my staff into doing their everyday job
duties. When I work as charge nurse, I usually plan out