STAT 200
Assignment 3
Key Topics
For On-Line Students, be sure to:
Submit your answers in a Word file to Sakai at the
same place you downloaded the file
Remember you can paste any Excel or JMP
output into a Word File (use Paste Special for
best results).
Overview
Introduction to
Statistics
Dr Tom Ilvento
Department of Food and Resource Economics
University of Delaware
A brief introduction to the field of statistics
The distinction between descriptive and
inferential statistics
Statistics as both a field o
STAT 200 On-Line
Guided Exercise 1
Be sure to:
Please submit your answers in a Word file to Sakai at the same place you
downloaded the file
Remember you can paste any Excel or JMP output into a Word File (use
Paste Special for best results).
Put your n
STAT 200
Assignment 5
Key Topics
Sampling Distributions
Confidence Intervals for means
Confidence Intervals for proportions
1. Assume credit card balances are normally distributed with a mean of $2,870 and a standard
deviation of $900 assume these are pop
STAT 200
Assignment 6
For On-Line Students, be sure to:
Key Topics
Please submit your answers in a Word file to
Hypothesis test for means
Sakai at the same place you downloaded the file
Hypothesis test for proportions
Remember you can paste any Excel
Department of
Applied Economics & Statistics
Statistics Program
207 Townsend Hall
Newark, DE 19716-2130
Phone: 302-831-6773
Fax: 302-831-6243
STAT 200 On-Line
Basic Statistical Practice
On-Line Course, Fall 2014
Instructor:
If X has a binomial distribution with n trials and probability of success p on each trial, then:
1. The mean of X is
2. The variance of X is
3. The standard deviation of X is
P(x 5) = .416
P(x > 8) = 1- P(x 8)= 1- .887=.113
P(x < 9) = ?
=P(x 8)
P(x 10
STAT 200
Assignment 2
Key Topics
For On-Line Students, be sure to:
Submit your answers in a Word file to Sakai at the
same place you downloaded the file
Remember you can paste any Excel or JMP output
into a Word File (use Paste Special for best results)
STAT 200
Guided Exercise 5
For On-Line Students, be sure to:
Key Topics
Submit your answers in a Word file to Sakai at the
Sampling Distributions
same place you downloaded the file
Confidence Intervals
Remember you can paste any Excel or JMP
output in
STAT 200
Guided Exercise 2
For On-Line Students, be sure to:
Submit your answers in a Word file to Sakai at the
same place you downloaded the file
Remember you can paste any Excel or JMP output into
a Word File (use Paste Special for best results).
Put
STAT 200
Guided Exercise 6
For On-Line Students, be sure to:
Key Topics
Submit your answers in a Word file to Sakai at the
Hypothesis Tests for Single Means
same place you downloaded the file
Hypothesis Tests for Single Proportion
Remember you can pas
STAT 200
Guided Exercise 4
Key Topics
For On-Line Students, be sure to:
Submit your answers in a Word file to Sakai at the
same place you downloaded the file
Remember you can paste any Excel or JMP output
into a Word File (use Paste Special for best resul
STAT 200
Guided Exercise 3
Key Topics
For On-Line Students, be sure to:
Submit your answers in a Word file to Sakai at the
same place you downloaded the file
Remember you can paste any Excel or JMP output
into a Word File (use Paste Special for best resul
STAT 200
Guided Exercise 3
Key Topics
For On-Line Students, be sure to:
Submit your answers in a Word file to Sakai at the same
place you downloaded the file
Remember you can paste any Excel or JMP output into a
Word File (use Paste Special for best resul
STAT 200
Assignment 4
1. Normal Distribution. A grocery store purchases watermelons. They are told the weight of
the melons follows a normal distribution with a mean of 17.0 lbs and a standard deviation of 2.1
lbs.
a.
What proportion of the melons are gre
STAT 200
Assignment 4
1. Normal Distribution. A grocery store purchases watermelons. They are told the weight of
the melons follows a normal distribution with a mean of 17.0 lbs and a standard deviation of 2.1
lbs.
a.
What proportion of the melons are gre