Randomly selecting 30 50 data values
Example:
Suppose I want to randomly select 3 rows of data.
To randomly select the data, in Minitab go to Calc.Random Data.Sample from
Columns.
Enter 3 for the number of rows to sample.C1 and C2 for the "from columns"
a
STAT 219: Course Tour
Introduction
STAT 219: Course Tour
1. Before the Course Begins
2. Getting Started in BlackBoard
(Bb)
3. Getting Started in MyLab
4. Weekly Activities
5. Questions?
STAT 219: Course Tour
1. Before the Course Begins:
- Start early
- Be
STAT219 - Spring/Summer 2017 SE1
Month
May
Monday
Tuesday
9
8 Course Begins
7
Preview Day
Wk 1 Day 1
Begin assigned reading
Wednesday
10
Day 2
Thursday
11
Day 3
Friday
12
Day 4
DQ data due
Saturday
13
Day 5
Day 6
DQ part 2 due
Email Check due
14
15
Day 7
Davenport University
8.2 Testing a Claim about the Difference of Two Proportions:
1. Preliminaries:
A. Formalize the hypothesis statement if not given
B. Compute x1 and x2 if not given
C. Do you have a large sample? If not, you may not use this method
D.
Davenport University STAT219 - Lab #1
You are welcome to get assistance on these problems from classmates, learning labs,
tutors, or me.
The following problems are to be written up in polished form, showing all relevant
work. I'm big on partial credit so
http:/lib.stat.cmu.edu/DASL/Datafiles/Crash.html
make
Model
carID
Acura
Integra
Acura Integra
Acura
Integra RS
Acura Integra RS
Acura
Legend LS
Acura Legend LS
Audi
80 Audi 80
Audi
100 Audi 100
BMW
325i
BMW 325i
Buick
Century
Buick Century
Buick
Elect. Pa
COLLEGE OF ARTS AND SCIENCES
STAT219 Introduction to Biostatistics
Credit Hours:
2016 - 2017
3
Contact Hours: 45
Prerequisite:
MATH125
Co-requisite:
Course Description
This course introduces students to foundational statistical methods common to the medic
1
GARY FRANCHY and ALEXANDER ISRAETEL
Introduction to Hypothesis Testing
For Biostatistics, Statistics and Statistics for Business
A Statistical hypothesis is a statement or claim about a population parameter, for
example, population mean, population prop
Davenport University
Scatter Diagram/Plot (2.3)
This is just the plotting of points on the Cartesian plane. Once the data has been
entered into Minitab, either by opening a file or typing it in yourself, go to the pull- down
menu:
1.
2.
3.
4.
5.
GraphScat
Davenport University
The Steps of Hypothesis Testing: P-Value Method
1 Sample Proportion & 1 Sample Mean
Because the basic process of performing hypothesis tests does not change regardless of the type of test
you are using, the steps below (which were wri
Davenport University STAT219 Lab #3
You are welcome to get assistance on these problems from classmates, learning labs,
tutors or me.
The following problems are to be written up in polished form, showing all relevant
work. I'm big on partial credit so I n
Points for participation in our conversation of the Discussion
Questions will be awarded as follows.
Each week Ill supply a Discussion Question(s) in a forum on the
Discussion Board where we can informally talk about them. Points will
be assessed on each
BIO 212 Pathophysiology: 12 - Week Sp/Su Schedule
Week
1
Unit
Module
Getting Started
5/85/15
Unit 1
Cellular
Responses,
Genetics, and
Cancer
Anatomy and
Physiology Review 1
*The activities above must be completed
for attendance verification.
Read Option
1.Using Minitab, make histograms and dot plots for both the male and female samples.
Dotplot of Female
62
64
Dotplot of Male
66
68
68
69
70
71
73
74
75
Histogram of Female
Histogram of Male
3.0
5
2.5
4
2.0
Frequency
Frequency
72
Male
Female
1.5
3
2
1.0
1
Excellence System Competency Rubric: Analysis & Problem Solving
Graduates use quantitative and qualitative methods of inquiry
to assess and evaluate complex problems
Outcomes
1. Creates a
well-defined
problem
statement
2. Gathers and
evaluates data
that
a
Math 320 Winter 2009
Using Minitab for the normal distribution
When you work with the normal distribution you can use Z-scores and the normal distribution
table, or you can use Minitabs built-in features. The use of Minitab means you dont have to
calculat
Davenport University STAT219 Lab #3
You are welcome to get assistance on these problems from classmates, learning labs,
tutors or me.
The following problems are to be written up in polished form, showing all relevant
work. I'm big on partial credit so I n
1. Using Minitab, make histograms and dot plots for both the male and female samples.
Histograms and dot plots below. I did separate histograms and dot plots for males and females to see the
individual results more clearly.
Histogram of Female
Histogram o
Question # 1
Rothenberg et al. (2004) investigated the effectiveness of using the Hologic
Sahara Sonometer, a portable device that measures bone mineral density (BMD)
in the ankle, in predicting a fracture. They used a Hologic estimated bone mineral
densi
Question #1 The weights (in ounces) of 21 cookies are shown below.
0.79
1.48
1.41
1.16
0.82
0.76
1.62
0.67
0.70
1.48
0.79
0.79
1.30
1.16
1.43
1.52
1.53
0.70
0.81
0.76
0.77
Use Minitab to complete each of the following.
a. Using the Descriptive Statistics
1. Using Minitab, make histograms and dot plots for both the male and female samples.
Histogram of Male, Female
Normal
60
Male
62
64
66
68
Female
Male
Mean 71.33
StDev 2.425
N
12
5
Female
Mean 64.33
StDev 2.060
N
12
Frequency
4
3
2
1
0
66
68
70
72
74
76
D
Question 1
2 out of 2 points
The following is a probability distribution for the number of attempts it takes to
impregnate a cow.
Attempts
Probability
1
0.1
2
0.4
3
?
4
0.3
Which of the following is correct?
Selected
Answer:
Correct
Answer:
Response
Feedb
Question 1
2 out of 2 points
Here's a new idea for treating advanced melanoma, the most serious kind of skin cancer.
Genetically engineer white blood cells to better recognize and destroy cancer cells, then
infuse these cells into patients. The subjects i
Question 1
0 out of 2 points
The following is a chart of student smoking status broken down by how many of the
students' parents smoked:
Which of the following is correct?
Selected
Answer:
Correct
Answer:
Response
Feedback:
The proportion of students who
Question 1
2 out of 2 points
In order to assess the effects of olive oil on reducing cholesterol, a researcher sampled
people from a local community and identified 50 who used olive oil. She measured body
mass and type of occupation (manual or office). Sh
Question 1
0 out of 2 points
Seventeen different hot dog brands were measured for sodium content (mg) and the
number of calories in each hot dog. A least-squares regression equation through the data
was:
Calories = 28.2 + 0.3125*Sodium
Which of the follow
Question 1
2 out of 2 points
Consider choosing four numbers from 1 to 10 with no repetitions allowed. Which of the
following is correct?
Selected
Answer:
Correct
Answer:
Response
Feedback:
The set 7, 8, 9, 10 has the smallest possible
standard deviation.
Question 1
2 out of 2 points
The following is a scatterplot between the speed of an automobile (mph) and fuel
economy (mpg):
The approximate correlation between the two variables is:
Selected
Answer:
0.
Correct
Answer:
0.
Response
Feedback:
This is correc
Question 1
0 out of 2 points
The number of beetles in a lawn varies with an average of 2.3 per square yard. What is
the approximate probability of obtaining a sample of 10 square yards of lawn with more
than 20 beetles?
Selected
Answer:
Correct
Answer:
Re
Question 1
2 out of 2 points
Which of the following is correct?
Selected
Answer:
Correct
Answer:
Response
Feedback:
Very small differences from the hypothesis may become statistically
significant when the sample size is increased.
Very small differences f