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 standard deviation for the columns Cost and 30-Year RO
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 program business majors, as
only 20 precent of the scho
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(A)
P(B)
P(A B)
0.50
0.40
0.88
1) P(A B) = P(A) + P(B) -
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 accepted. Using the
binomial probability tables or Excel,
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 beverage containers,
210 of the voters were opposed. Deve
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 follows:
Scatter Diagram
14.00%
12.00%
10.00%
8.00%
Annual
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 the gradient and in our case is 65 inches tall.
Theref
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: Payscale.com
# of Private Schools:
# of Public Schools:
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 investment that demands both time and money
(PayScale,
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 your
results.
Business major:
Since P(T<=t) two-tail = 0
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 Public Schools:
Total Schools:
Private schools with ROI betw
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 just memorizing facts and regurgitating the information
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 interpret your results.
Case 1:
Critical value for 90% conf
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 Annual %
ROI. Group with starting at 6% (0.06), ending at
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 conditions, the following notations are used: c = clear