Assignment 2: Networking
Q1: Paradox: some argue that entrepreneurship is largely based on chance and many people do
not become entrepreneurs because they are never lucky enough to be at the right place and at the
right time. Alternatively, others argue e
Project 1: Statistics in the Media
Children with their own cellphone:
This article is measuring how children receive cellphones at a young age. This variable is
quantitative. The cases are age and safety. There are specific statistics given that seem to
b
Quiz 5
1. A level 0.90 confidence interval is
a. any interval with margin of error 0.90.
b. an interval computed from sample data by a method that has
probability 0.90 of producing an interval containing the true value of
the parameter of interest.
c. an
Quiz3
Please remember to keep this Quiz visible at the time you are submitting the
answers.
Use the following density curve to answer questions 1 3.
1. For this density curve, the third quartile is
a. 0.5.
b. 0.75.
c. 1.5.
d. 1.75.
2. For this density cur
Quiz 1
Please work on the following questions and submit the answers in the
submission area
1. Some of the variables reported in the Forbes of billionaires are listed
below. Which of the following variables is a categorical variable?
a. The age
b. The net
(SR)
annotation=
square root
Assignment 2
1. An insurance claims department asserts that it responds to
the customer claims within 15 days. A simple random
sample of 40 claims show a sample means of 27 days for
the response time. The standard deviation of
Section 5.3
Transforming a z-score to an s-score
Section 5.4
Sampling Distributions and the Central Limit Theorem
Sampling Distributions
Definition: The Probability distribution of a sample statistic.
Formula: Formed when samples of size n are repeatedly
Study group 3
Cynlie Makenou
Sierra Martin
Meghan Maskew
me
Overview of Statistics
Definition
How to distinguish between a population and a sample and between parameter and a statistic
How to distinguish between desriptive statistics and inferentia
Section 3.2
Understanding and
Interpreting
Confidence Intervals
Statistics: Unlocking the Power of Data
Lock5
Outline
Interval estimate
Interval estimate based on margin of error
Confidence interval
95% confidence interval using the SE
Understanding confi
Section 5.1: Normal Distributions
Example 1: Find the specified areas for a standard normal density, and sketch the area.
(We wont bother to include the sketches here but encourage students to draw them.)
(a) The area below z = 0.8
0.788
(b) The area abov
Assignment 2
1. An insurance claims department asserts that it responds to
the customer claims within 15 days. A simple random
sample of 40 claims show a sample means of 27 days for
the response time. The standard deviation of this sample is
6 days.
a) Co
Prevention of
Medical Errors
DANA BARTLETT, RN, BSN, MSN, MA
Dana Bartlett is a professional nurse and author. His clinical experience includes 16
years of ICU and ER experience and over 20 years of as a poison control center
information specialist. Dana
Extra practice for Unit 5
1. Two fair dice are rolled. Find the probability that the sum of the dots facing
up is
a) 7
b) 11
c) 7 or 11
d) 10 given that both the dice have even number of dots facing up.
2. A small college has 1871 students. 140 students a
MONTGOMERY COLLEGE
Nursing
NURS 240 Weekly Clinical Evaluation Tool
Faculty
Student
Use the Clinical Evaluation Tool Rubric located in Blackboard for criteria related to each graduate competency.
Please type in a Word document do not let size of box limit
To test if the mileage of three different makes of cars is the
same, randomly selected trips on those makes are recorded and
the data is shown below for the miles per gallon of the trips.
Make 1
29.9
31.1
23.5
30.5
35.4
33
28.5
32.4
25.7
Make 2
45.8
40.3
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Quiz6
Please refer to the following for the questions number 1 and 2
The Physicians Health Study followed 22,000 male physicians for a period of several
years. About 11,000 took an aspirin every second day while the rest took a placebo.
At the completion
Section 3.4: Bootstrap Confidence Intervals using Percentiles
To be done in a computer lab
Example 1: Body Temperature
Is normal body temperature really 98.6F? A sample of body temperature for 50 healthy individuals was taken.
Find this dataset in StatKey
Section 3.1: Sampling Distributions
Example 1: Using Search Engines
A 2012 survey of a random sample of 2,253 US adults found that 1,329 of them reported using a search engine
(such as Google) every day to find information on the Internet.
a). Find the re
Section 4.4: Creating Randomization Distributions
Example 1: Evaluating Drugs to Fight Cocaine Addiction
In a randomized experiment on treating cocaine addiction, 48 cocaine addicts who were trying to quit were
randomly assigned to take either desipramine
Section 3.3
Constructing Bootstrap
Confidence Intervals
Statistics: Unlocking the Power of Data
Lock5
Outline
Bootstrap samples
Bootstrap distribution
Standard error from bootstrap distribution
95% confidence interval using SE from
bootstrap distribution
Assignment 6: Corporate Culture
The following table lists ten cultural attributes that are frequently observed in successful,
innovative companies. The factors are chosen to be - as near as possible - orthogonal; i.e., each
can be encouraged without distu
Assignment 8: Change Management
Q1: Paradox: Jeff and Wayne hired their own replacements, yet they still had difficulty in giving
up control. Why was this? Illustrate this issue in particular in the case of Daves conflict with
Wayne.
Q2: Paradox: Despite
Assignment 7: Hiring and Firing
Q1: Is it better to hire someone you know than to hire a total stranger? How do you avoid the
Cassandra Problem when you are under pressure to hire quickly?
Q2: Imagine you are Jeff and Wayne. Create a set of interview ques
Assignment 6: Corporate Culture
The following table lists ten cultural attributes that are frequently observed in successful,
innovative companies. The factors are chosen to be - as near as possible - orthogonal; i.e., each
can be encouraged without distu
Assignment 5: Partners
Q1: Bad partners can destroy your company, but good partners are invaluable. Taking a partner as
an equal when you start a company immediately halves your potential upside; is this initial
dilution worth it? You are considering star
Assignment 4: Angels
Q1: Paradox: money and/or advice, is there a trade-off? Angels provide funding AND mentoring.
Is one fine without the other? What are the most important factors that you should take into
account when a) finding, and b) working with an