Questions 16-20
The last page of the exam shows data collected on a random sample of 36 movies. The following
variables were recorded for each of the 36 movies sampled
BStat 284
Multiple Linear Regression
In-class Lab
SPR
Alumni giving is an important source of revenue for colleges and universities. If
administrators could determine the factors that influence increa
Categorical, Qualitative
Nominal- no apparent order
Ordinal- categories, can be
ranked(use bar chart)
Numerical, Quantitative (histogram)
Discrete
Continuous
Cross Sectional
Same point and time
Time S
95% CI interval problems
5-number summary
Min. Q1 Median Q3 Max
Finding outliers:
high = Q3 + 1.5(IQR)
low = Q1 + 1.5(IQR)
IQR = Q3-Q1
50% of _ is between Q1 and Q3
point estimate for estimating the t
Click the Stat button (middle towards the top)
Click 1) edit
Enter the return in for both columns
Go back to the stats button, go to the middle column CALC, hit 2) 2
Each sheet contains a yellow cell for each answer.
You may use blank areas in the spreadsheet for intermediate steps.
Put your final answer in the yellow cell. For numeric answers, do no
Instead, ente
BA 284
Computer Lab I - Assignment
Due Tuesday Jan 20, 2015
Name _ _
Name _
signatures _
_
If you are working in a pair, please print each name and provide your signature below
to indicate that both p
Duquesne University
AJ Palumbo School of Business
QSIS 284
Assignment 2
Due: On Wednesday, April 15
th
Different states in the United States have different levels of automobile insurance
coverage. The
Dr. Charles Wilf
Business Statistics II
11 March 2015
After analyzing the financial performance of the five sectors according to the three
variables, it is easy to recognize the sectors that performed
Dr. Charles Wilf
Business Statistics II
14 April 2015
Assignment II
To analyze the relationship between the percentages of uninsured automobiles in
various regions, I
T-Test Statistics for Two-Sample T-Tests by Variable and
Significance at Alpha Levels
Current Ratio
Technology
Utilities
Clothes
Entertainment
Pharmaceuticals
* p < .05
Tech
Stock Data Means and Standard Deviations Last Fiscal Period
Current
Ratio
Earnings per
Share
Return on
Equity
Technology
mean
St. dev.
3.22
3.47
0.75
1.20
(3.39)
34.25
Utilities
mean
St. dev.
1.43
1.4
Class Data Sheet - Spring 2015 11 AM
Gender
m
f
m
m
m
m
m
m
m
f
m
m
m
f
f
m
m
f
f
m
m
m
m
f
m
m
f
m
m
m
f
f
Res.
on
on
on
on
on
on
on
on
on
on
on
on
on
on
on
on
off
on
on
on
off
on
off
on
on
Duquesne University
AJ Palumbo School of Business
QSIS 284
Assignment 1
Due: At the start of class Wednesday, March 11
th
Stock performance influences individual and institutional investment decisions
TECHNOLOGY
Company Name
CHINA SECURITY & SURV TECH
NEC CORP -ADR
QUANTUM CORP
RESEARCH FRONTIERS INC
SUNRISE TELECOM INC
SUPER MICRO COMPUTER INC
SYCAMORE NETWORKS INC
SYNAPTICS INC
TECHNOLOGY
Company Name
CHINA SECURITY & SURV TECH
NEC CORP -ADR
QUANTUM CORP
RESEARCH FRONTIERS INC
SUNRISE TELECOM INC
SUPER MICRO COMPUTER INC
SYCAMORE NETWORKS INC
SYNAPTICS INC
Assignment two
Array the data:
High uninsured
low uninsured
Midwest
Northeast
Southeast
West
Every state goes into only one of those categories
Tally the n
SUMMARY OUTPUT
Regression Statistics
Multiple R
R Square
Adjusted R Square
Standard Error
Observations
0.834517 r = correlation coefficiant
0.696418624 Measures how well the model fit
Statistics 284
Orientation Reflection 1 assignment
Mission:
Divine Intervention Ministry (DIM) was created to help those who have been imprisoned by
giving them an outlet through spirituality. It reac
1. Of those who filled out impact applications, are males or females more likely to live with
family upon release? Two sample t-test
2. Are people from the Hill District more likely to be convicted of
Project Proposal Assignment 1 (4 pts for Lab 3)
Due: No later than Thursday February 20
If you want to collect data over Spring Break, this must be approved BEFORE
BA 284
Computer Lab I - Assignment
Due Tuesday Jan 21, 2014
Name
signatures _
If you are working in a pair, please print each name and provide your signature below
to indicate that both partners share