Lena Reynolds
BA 215 Week 6 Discussion Board
There are 2 Types of errors that this situation can have. The first type is Type I error. An example of this
would be the husband being pregnant which is i
Lena Reynolds
Week 6 Project 6
Question 1
Business Major
P-VALUE (LOWER TAIL) is greater than the CI so we would fail to reject the null hypothesis.
P-VALUE (UPPER TAIL) is less than the CI so the nul
1
Lena Reynolds
BA 215
Week 6 Project
1.
BUSINESS MAJOR
P-VALUE (LOWER TAIL) is greater than the CI so we would fail to reject the null
hypothesis.
P-VALUE (UPPER TAIL) is less than the CI so the null
Lena Reynolds
BA 215 Week 6 Project
Question 1
A sample of 81 account balances of a credit company showed an average balance of $1,200 with a
standard deviation of $126.
1.
Formulate the hypotheses th
Lena Reynolds
Week 1 Assignment
BA215 Business Statistics
1.
For each of the 2 majors create a pie chart using the column School Type.
Comment on your results.
Engineering
Public
2.
Private
Business
P
Midterm
There are 8 questions in total, each worth 12.5 points. Please upload your answers to the dropbox below.
Question 1
The following shows the temperatures (high, low) and weather conditions in a
School Type
Private
Private
Private
Public
Private
Public
Private
Private
Private
Private
Private
Private
Private
Private
Private
Public
Public
Private
Private
Private
Best College ROI by Majo 2013: P
Lena Reynolds
Week 3 Assignment
BA215 Business Statistics
1.
If we select 7 colleges from a major and then record whether they are
of School Type Private or not, is this experiment a binomial one? Why
Lena Reynolds
Week 3 Assignment
BA215 Business Statistics
Question 1
1.
2.
3.
4.
How many elements are in the above data set? 6
How many variables are in this data set? 6
How many observations are in
Running head: WEEK TWO
1
Week Two: Project
Jeffery Wilson
Grantham University
WEEK TWO: PROJECT
2
Week Two: Project
1.
For each of the 2 majors calculate the mean, median, minimum, maximum,
range, and
Business Majors
Private vs. Public Programs
Private 20%
Engineering Majors
Private vs. Public Programs
Private
Public
Public
45%
55%
80%
The data obtained for the data set represent
primarily private
Question 1
Compute the weighted mean for the following data.
Xi
Weight (Wi)
Weighted Mean
19
12
16.57
17
30
14
8
13
10
18
10
Question 2
If P(A) = 0.50, P(B) = 0.40, and P(A B) = 0.88, then P(B|A) =
P(
Running head: WEEK THREE
1
Week Three: Assignment
Jeffery Wilson
Grantham University
WEEK THREE: ASSIGNMENT
2
Week Three: Assignment
1) Seventy percent of the students applying to a university are acc
Running head: WEEK FIVE
1
Week Five: Assignment
Jeffery Wilson
Grantham University
WEEK FIVE: ASSIGNMENT
2
Week Five: Assignment
1) In a poll of 600 voters in a campaign to eliminate non-returnable be
For Engineering Major Excel sheet:
For each of the two majors:
Draw the scatter diagram of Y = Annual % ROI against X = Cost.
Solution:
The scatter diagram of Y =Annual % ROI against X=Cost is as foll
REGRESSION ANALYSIS SUMMARY ON HEIGHT AND WEIGHT (pounds).
X- Input variable;
Y- Output variable;
Equation to be used in estimation of Regression is;
Y= mx + b; where b stands for y-intercept and m is
School Type
Private
Private
Private
Public
Private
Public
Private
Private
Private
Private
Private
Private
Private
Private
Private
Public
Public
Private
Private
Private
Best College ROI by Majo 2013: P
Running head: FINAL PROJECT WEEK 8 1
Final Project Week 8
Bobbie Pearson
Grantham University
August 22, 2016
Running head: FINAL PROJECT WEEK 8 2
Final Project Week 8
College education is an important
Business Statistics
Project Week 6
Using the ROI data set:
1.
For each of the 2 majors test the hypothesis at the 5% significance level:
The mean Cost for a college is $160,000. Be sure to interpret y
School Type
Private
Private
Private
Public
Private
Public
Private
Private
Private
Private
Private
Private
Private
Private
Private
Public
Public
Private
Private
Private
# of Private Schools:
# of Publi
BS WK 8:
In my other classes, I just found myself making outlines of chapters, reading textbooks,
taking extensive lecture notes, and memorizing material. Its kind of like the banking system
where Im
Q1) For each of the 2 majors consider the School Type column. Assuming the requirements
are met, construct a 90% confidence interval for the proportion of the schools that are
Private. Be sure to inte
Week 1
1.For each of the 2 majors create a pie chart using the column School Type. Comment on your
results.
2.For each of the 2 majors create a frequency distribution and histogram using the column An
Bobbie J. Pearson
Midterm week 4
29 September 2015
Question 1
The following shows the temperatures (high, low) and weather conditions in a given Sunday for
some selected world cities. For the weather