Homeworkweek2
Lane
Chapter2
7.Forthedatafromthe1977Stat.andBiom.200classforeyecolor,construct:
a.piegraph
Number of Students
Brown
Blue
Green
Gray
b.horizontalbargraph
Number of Students
Brown
Blue
Green
Gray
0
2
4
6
Number of Students
8
10
12
c.verticalb
week7Homework
Lane
Ch.14
2.TheformulaforaregressionequationisY=2X+9.
a.Whatwouldbethepredictedscoreforapersonscoring6onX?
Y=2(6)+9=12+9=21
b.Ifsomeonespredictedscorewas14,whatwasthispersonsscoreonX?
14=2X+9
99
5=2X
2.5=X
6.FortheX,Ydatabelow,compute:
X
Y
STAT 220 QUIZ 1
Section 7971 Fall 2016
I have completed this assignment myself, working independently and not consulting
anyone except the instructor.
NAME_ _
INSTRUCTIONS
The quiz is worth 75 points total.
The quiz covers Chapters 1, 2 and 3 in Lane et a
STAT 200 QUIZ 3
Section 7971 Fall 2016
I have completed this assignment myself, working independently and not consulting
anyone except the instructor.
NAME_ _
INSTRUCTIONS
The quiz is worth 40 points total.
The quiz covers week 6
Make sure your answers ar
STAT 200 QUIZ 2
Section 7971 Fall 2016
I have completed this assignment myself, working independently and not consulting
anyone except the instructor.
NAME_ _
INSTRUCTIONS
The quiz is worth 40 points total.
The quiz covers weeks 3, 4, and 5.
Make sure you
HomeworkAssignmentWeek1
Lane
3.Ifyouaretoldonlythatyouscoredinthe80thpercentile,doyouknow
fromthatdescriptionexactlyhowitwascalculated?Explain.
P
Usingtheformula R= 100 x ( N +1)
Youwouldput80inforP
ThenforNyouwouldputthenumberofpeoplethattestedwithyou
Y
week6homework
Lane
18.Youchooseanalphalevelof.01andthenanalyzeyourdata.
a.WhatistheprobabilitythatyouwillmakeaTypeIerrorgiventhatthenullhypothesisistrue?
.01
b.WhatistheprobabilitythatyouwillmakeaTypeIerrorgiventhatthenullhypothesisis
false?
0
Probability
Week 5 Assignment
Lane
4. Why is a 99% confidence interval wider than a 95% confidence interval?
99% confidence interval is wider than 95% because it has a larger parameter/interval of numbers
12. A person claims to be able to predict the outcome of flipp
Week 3 Hw
5. A fair coin is flipped 9 times. What is the probability of getting exactly 6 heads?
9
C6 12
6
12
3
0.164
7. You flip a coin three times.
(a) What is the probability of getting heads on only one of your flips?
(b) What is the probability o
Math Diagnostic Pre-Test
This test is to identify your current math knowledge. It should only take 5-10 minutes to complete, and
many students will find that they do not need even a paper and pencil to solve the math questions. You
should not use a calcul
RUNNING HEAD: EFFECTS OF TIME, LOCATION ON WORK BEHAVIOR AND BUSINESS OUTCOMES
Critical Review of
New Ways of Working: Does flexibility in time and location of work change work behavior and
affect business outcomes?
By authors: Merle M. Block, Liesbeth Gr
MGMT 650 Fall 2016 Problem Set 5
(Last updated 9/15/2016)
1. ANOVA:
UMUC wants to use a new tutorial to teach the students
about business ethics. As an experiment the administrator
randomly selected 15 students and randomly assigned them
to one of three g
Candidates of the UNC (earning potential exceeding $65,000 annually)
Sample size (n)
Number of successes (x)
Confidence level
proportion of successes (p')
proportion of failures (q')
critical value
Margin of Error
400
80
0.95
0.2
0.8
1.959964
0.039199
Con
STAT 200 Final Examination
Fall 2016 OL1/US1
STAT 200 Introduction to Statistics
Name:
Final Examination: Fall 2016 OL1/US1
Instructor: Laura Clary
Page 1 of 14
Answer Sheet
Instructions:
This is an open-book exam. You may refer to your text and other cou
Page 1 of 12
Homework Assignment 4
Stat 200 (Clary)
Instructions: Be sure to record the final answer next to Answer and show all your calculation
steps or assumptions under Work. You can type in your calculations, use the equation tool, or
insert images o
NSCI 100 Spring 2016
Quiz # 1 (100 pts)
Name: _
This quiz has been purposefully saved in word format so you can use this
page as answer sheet.
Make sure all your answers are complete. Use your own words. Please, do
not copy and paste.
Include any informat
Concepts of Technology
Recommending Computers or
Hardware Devices
Courtesy of Cherelle Hart
Agenda For Todays Meeting
Introduction/Overview
Hardware Devices
System Unit Components
Productivity Software
Summary of Recommendations
2
Courtesy of Cherelle Har
Page 1 of 4
Quiz 3
Stat 200 (Clary)
(6382, 2152)
Instructions: Record your answers and work in the space below each problem. Be sure to record
the final answer next to Answer and show all your calculation steps or assumptions under
Work. You can type in y
SOLUTIONS
1. a) FALSE - event A plus all outcomes that are not event A make up all possible
outcomes,
that is, P(A) + P(A') = 1 .
b) False- if all data observations are equal to the mean, then the standard
deviation is 0.
c) True- 99% confidence interval
Introduction to Statistics
Online Edition
Primary author and editor:
David M. Lane1
Other authors:
David Scott1, Mikki Hebl1, Rudy Guerra1, Dan Osherson1, and Heidi Ziemer2
1Rice
University; 2University of Houston, Downtown Campus
Section authors specifie
STAT 200 QUIZ 1 Solutions
Section 6360 Fall 2016
The quiz covers Week 1 and Week 2 materials.
1. (10 points) True or False. Justify your answers for full credit.
(a) False - All observations are identical, but not necessarily be zero.
(b) False The standa
STAT 200 QUIZ 3
Section 6360 Fall 2016
The quiz covers Week 5 and 6 materials.
1. (2 points)
The confidence interval estimate is about a proportion, so we will use normal distribution.
= 1 0.95 = 0.05, hence /2 = 0.025. The corresponding critical value z
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