Confidence Intervals and Margins of Error
A confidence interval is just an estimate. We use confidence intervals all the time, but
more informally. Let's assume you have a job, and you have to drive to work. If it
normally takes you, say, 25 minutes-assum
To do hypothesis test problems in Minitab:
In Minitab, most hypothesis tests you need for this class are found under the Stat menu, in the
Basic Statistics sub-menu.
If the problem has data, you will need to enter the data into a column of the worksheet.
Week 3 Study Notes
Normal is a nice word that people often like to apply to their everyday lives. They dont want
unusual events to distress them, nor do they wish to spend time dealing with them. This is very
true in the gathering of data and in making ob
Statistics are an integral part of my position. I am an interface programmer on the ambulatory
electronic medical records team of my organization, and we are asked frequently to provide
statistical information. The majority of the information we provide a
I chose to perform the die roll data project programmatically due to time constraints (it took me
about 5 minutes to write a quick application, as opposed to an unknown amount of time to use a
simulator or manually roll a die). If anybody else wants to pl
Considering that I am a novice, as in the example, before I decided to try any of the games I
would research which games had the best odds of winning. According to Jay Bean, a floor
manager at Caesars, Blackjack is one of the safer choices because it isnt
My father has been smoking Kool Kings for approximately 40 years. He cut down to smoking a
pack a day from 2 packs when I was in high school. The current average price in Pittsburgh, PA
for a pack of Kool Kings is $6.68 per pack. When I entered the cost p
Week 1 Study Notes
The word statistics is not a nice word for many of you. You may be unsure of your mathematical
abilities, or have encountered situations where statistical material may have been used to lie to
you about a product, a medicine, a politici
News media and advertising agencies often rely on statistical evidence to convey information or
persuade consumers to purchase a product. It is likely that the evidence presented underwent
a statistical test to determine if the null hypothesis stands or s
We were given a population that contained the acreage of fifty separate parks, and asked to
construct a random sample from 20 of the parks. I used the Minitab application to randomly
select the acreage values for 20 of the parks, and construct a 90% confi
The 2016 United States presidential election looming on the horizon brings an inevitable media
saturation of political polls like those in this discussion. In this hypothetical scenario, two polls
conducted on the same day in different locations show Cand
DIRECTIONS FOR INSTRUCTOR:
DIRECTIONS FOR STUDENT:
1. Student Name:
Content Analysis
1. Enter Student Name.
2. Enter an "x" in the Days Late field if the work is submitted
late.
3. Enter an "x" in the Instructor Assessment column for the
level of performa
More on P-values, Rejecting the Null, etc.
Long before I developed a passion for the kind of real knowledge available from looking
at things from a statistical viewpoint, I was an English major. As I began to take stats
courses, the English major in me re
Statics support every significant decision I make in my personal life. For example, if I am
thinking of moving I compare and contrast various sets of statistics such as school system
ratings, crime rates, and commute times. I also use statistics to decide