Miguel Orta
Anita Anderson
MA3110
7/28/16
Misleading Statistics
1. In September 29 2015 at a hearing in DC, Congressman Jason Chaffetz of Utah
presented a chart to Planned Parenthood President, Cecile Richards. This
chart was to show the decrease in preve
Miguel Orta
MA3110
06/07/16
How Statistics Is Used In My Job
I run a website that deals in news and pop culture information as well as own a
comic book publishing company. Statistics are a vital part of what we do just about
every day.
When it comes to th
Miguel Orta
MA3110
06/23/16
Homework
1.
a) What is a variable?
Anything that can be measured or counted.
b) Identify two main types of variables.
Quantitative and qualitative.
c) Identify two types of quantitative variables.
Discrete and continuous.
d) Wh
Miguel Orta
MA3110
7/21/16
Chapter 5
1: Probability theory, a branch of math concerned with the analysis of
random phenomena. The outcome of a random event cannot be
determined before it occurs, but it may be any one of several possible
outcomes. The actu
Fred Mills
MA3110 Module 5 Exercise 2
The following table contains
data of region of birth and
political party of the first 44 U.S.
presidents. The table uses these
abbreviations: F = Federalist, DR
= Democratic-Republican, D =
Democratic, W = Whig, R =
R
A
B
C
1
0
3
3
6
12
5
2
6
5
3
2
sum=4848
count=6
Average mean =8
standard deviat 3.162278
yhat=b0+b1*x
yhat
=
Highway
Gas Station
Convenience Store
952
1298
844
996
1195
921
839
1174
880
Highway
Gas Station
Convenience Store
1088
1113
706
1024
953
602
1280
Exercise 3.1
1
.
Interpreting the Confidence Interval
Alexandra Lopez
Exercise 3.1
MA3110 Statistics
January 27, 2016
Exercise 3.1
2
A simple random sample of 40 salaries of NCAA football coaches has a mean of
$415,953 and a standard deviation of $463,364
Exercise 2.2
1
Exercise 2.2
Data Representation and Binomial Probability Distribution
Alexandra Lopez
January 13, 2016
MA 3110
Task 1: Use the following data:
CBS
FOX
ABC
FOX
ABC
CBS
CBS
FOX
CBS
CBS
CBS
CBS
ABC
FOX
CBS
FOX
ABC
CBS
FOX
ABC
Create two graph
Exercise 1.1
1
Central Tendency and Measures of Variation
Alexandra Lopez
Exercise 1.1
December 9, 2015
MA 3110 Statistics
Exercise 1.1
2
Central Tendency and Measures of Variation
Task 1
Exercises 1.1
Define the following terms:
A. Population The collect
Zodrack Jackson
MA3110-Ms. Grey
14 Jan 2016
Module 6: Exercise 6.1 Linear Correlation
The obtained scatter plot is given below,
The computed correlation coefficient between these two variables is 0.8717 and the critical value
from the table is 0.754.
As t