Question 1.1. Find the standardized variable z if x has Mean 12 and standard deviation 4. (Points : 1)
Z = (x-4)/12
Z = (12-x)/4
z = (x-12)/4
Z = (x+12)/4
Question 2.2. Find the area under the standar
Q1)
Q2)
Q3)
From past experience, a professor knows that the test score of a student taking her nal
examination is a random variable with mean 75. Suppose in addition the professor knows that
the vari
Paul states that he scored in the 100th percentile on a given standardized test. Do you believe him? Why
or why not? Respond to at least two of your classmates posts
I would say that I am not going to
Read the information in Chapter 3 of your text on correlation and causation and Example 6 titled
Spurious Correlation by Lurking Variables. This describes an observed correlation that may be caused
by
Find a video that provides help with learning probability. Why do you like it and what did you
learn? Visit this helpful website (http:/www.khanacademy.org/) to assist you with your search.
Respond to
Find a study where the distribution follows a normal or bell-shaped curve. An example of a normal
distribution or bell-shaped curve, called Heights of Red Pine Seedlings, is located in the beginning o
Provide a link for a picture of a scatter plot where the r value is not given. Estimate what you
think the r value would be and explain why. Respond to at least two of your classmates posts.
For this
In Chapter 8 of your text, read the interpretation of confidence intervals. Find a journal article from the
library that incorporates repeated sampling. This may be stated or implied. Use the explanat
Running head: CRIME RATE AND RECESSION CORRELATION
The Correlation Between Crime Rate Increases and Recession
Christopher Maxson
BUS 540: Statistical Concepts for Research
Instructor Alex Hapka
Januar
Describe a recent Gallup poll. Be sure to include the results of the poll, how the poll was
conducted, and what the results will be used for. Respond to at least two of your classmates
posts.
Per John
Running head: CRIME RATE AND RECESSION CORRELATION
The Correlation Between Crime Rate Increases and Recession
Christopher Maxson
BUS 540: Statistical Concepts for Research
Instructor Alex Hapka
Novemb
Actuaries work with statistics and probabilities each day. What do actuaries do and what tests do they
take?
Actuaries analyze the data that estimates the probability and likely cost to a company or
o
Running head: CRIME RATE AND RECESSION CORRELATION
The Correlation Between Crime Rate Increases and Recession
Christopher Maxson
BUS 540: Statistical Concepts for Research
Instructor Alex Hapka
Novemb
Find an article that incorporates research of confidence intervals to market a new product. Summarize
the information gained from your research. Based on the research, is it wise to go ahead and marke
Running head: CRIME RATE AND RECESSION CORRELATION
The Correlation Between Crime Rate Increases and Recession
Christopher Maxson
BUS 540: Statistical Concepts for Research
Instructor Alex Hapka
Januar
Describe a recent study where data was gathered. If possible, explain whether it is a qualitative or
quantitative study, and whether the data is discrete or continuous. What type of graph would you us
Provide an example for using Bayes Theorem in a workplace setting, as described in the article
Applying Bayes Theorem to Clinical Trials. Does statistics also have uses in everyday life?
Provide an ex
This case study ([38] Yin, 2003) concerns the introduction and application of organization-wide
process management between 1997 and 2001 at Huddinge University Hospital, an 800-bed tertiary care
centr
Problem from different references.
In class we solved the following versions:
a) The same
b) The same
c) We assumed that exactly 2 earthquakes happen in the first half of 2010.
For those who wonder ab
12/30/2016
5-1 Two Discrete Random Variables
Example 5-1
5-1 Two Discrete Random Variables
5-1.1 Joint Probability Distributions
5-1 Two Discrete Random Variables
5-1.2 Marginal Probability Distributi
Q1.
Q2.
Q3.
Q4.
Q5.
Q6.
Q7.
Q10
Q11-
Q12
Q13
Q14
Q15 if probability of working for each device is p, what is the probability of each system working?
Q16
Q17
Q18
Running head: QUANTITATIVE VERSUS QUALITIAVE OUTLINE STUBBINS
Outline: Qualitative Versus Quantitative Methods in Cultural Studies
MATH 540: Statistical Concepts for Research
Instructor: Paul LaBine
A
Statistics Assignment Week 1
April 13,2015
Chapter1 Review
1.20 a)Population Unit =Entertainment expenses of students at my college,
b)Variables of Interests= movies, clubs, video games, bars, sports/
Running head: QUANTITATIVE VERSUS QUALITIAVE METHODS STUBBINS
Qualitative Versus Quantitative Methods in Cultural Studies
MATH 540: Statistical Concepts for Research
Instructor: Paul LaBine
May 18, 20
Running head: QUANTITATIVE VERSUS QUALITIAVE OUTLINE STUBBINS
Outline: Qualitative Versus Quantitative Methods in Cultural Studies
MATH 540: Statistical Concepts for Research
Instructor: Paul LaBine
A
Statistics Paul LaBine
Week 4 Assignment
April 29,2015
Chapter 6, Exercises
6.1
C could be a probability density function because it does not dip below the x axis, the
total area of the histogram is 1