Bonus Quiz (total 20 points) Form B
Emma conducted a simulation study using R, she drew a
random sample of size 100 from a normal distribution
with mean 5 and standard deviation 10. Emma did
another 499 iterations of drawing 100 samples from a
norm
Stat 205 Homework 3 Solutions:
Question 3.6.1:
Were calling getting a yellow garden pea a success. Therefore, p=3/4 or 0.75.
The number of trials here is n=4.
(a)P(Y=3)=0.421875
(b)P(Y=4)=0.3164063
(c)P(Y=4)+ P(Y=0)=0.3203125
On part c, we want to either
Stat 205 Homework 5 Solutions
1. Textbook problem section 7.2, page 239 Problem 7.2.9.
Solution:
Let ! and ! respectively be the average MBF in the normoxia group and the hypoxia group.
At significance level ()=0.05, we are interested in testing
Stat 205 Homework 1 (Due: Beginning of class, September 01, 2016, Thursday)
Instructor: Yen-Yi Ho
Total Points: 100
Submission instruction:
Paste the plot from R in a word file, type the other answers, comments etc. in the same file.
Put your name on the
Topics Covered for Exam 1
Chapter 1
Observational Study vs. Experiment
o Observational:
Anecdotal Evidence Testimony of something that is true, false
or unrelated based on isolated examples of a personal
experience (used often to encourage sales/product)
Stat 205 Homework 4 Solution
Total Points: 110
1. Textbook problem section 4.3, page 132 Problem 4.3.3.
The brain weights of certain population of adult Swedish males follow approximately a
normal distribution with mean 1400 gm and standard deviation 100
Curriculum Vitae
Yen-Yi Ho
Office Address
University of South Carolina,
212B LeConte College
1523 Greene Street,
Columbia, SC 29208
Phone: 803-777-5110
Email: hoyen@stat.sc.edu
Website: http:/People.stat.sc.edu/hoyen/
Education
2009 Ph.D., Biostatistics,
R version 3.3.1 (2016-06-21) - "Bug in Your Hair"
Copyright (C) 2016 The R Foundation for Statistical Computing
Platform: x86_64-apple-darwin13.4.0 (64-bit)
R is free software and comes with ABSOLUTELY NO WARRANTY.
You are welcome to redistribute it unde
#
# R commands Elementary Statistics for the Biological and Life Sciences
#
STAT205
# Lec1.R
University of South Carlina
#
# This file contains the R commands for the lab.
#
# Lines beginning with the symbol '#' are comments in R. All other
# lines contai
Stat 205 Homework 2 Solutions
Total Points: 30
1. Consider the data in textbook section 2.5, page 59, problem 2.5.3.
In R input the data from the table and make a scatterplot of the data. Use proper labeling
of x and y axis.
(Follow the code in:
Lecture n
Bonus Quiz (total 30 points) Form A
Print Name:
Emma conducted a simulation study using R, she drew a
random sample of size 100 from a normal distribution
with mean 10 and standard deviation 9.8. Emma
calculated sample mean and sample standard de
STUDY GUIDE FOR STAT
Anecdotal Evidence
A testimony that something is true, false, related, or unrelated
based on isolated examples of someone's personal experience.
Anecdotal evidence is very popular in the advertising world.
Every time you see a claim a
STAT 205
Tues. Aug 23
Anecdotal Evidence - anecdote: short story or an example of an interesting
event; weakest study
Treatment and endpoint
o Smoking (exposure/ treatment) -> Lung Cancer (outcome/endpoint)
Prospective study follow people for 20-30 years
Stat 205 Homework 4 (Due: Beginning of class October 06, 2016, Thursday)
Instructor: Yen-Yi Ho
Total Points: 110
(Email submissions will not be accepted)
1. Textbook problem section 4.3, page 132 Problem 4.3.3. (15 points)
2. Textbook problem section
STAT 201: Elementary Statistics
Fall 2016
Sections: 22, 23, 24.
Pearson Course ID = quasem49126
Lecture and Lab Meetings
Section
Lecture Days
and Time
22
Monday,
Wednesday
3:30 pm23
4:20 pm
24
Lecture
Room
LeConte
210
Lab Day and
Time
Friday 3:30
pm- 5:25
FINAL
CHAPTER 1-10 REVIEW
Bin Yao
STAT201-023
22 April 2016
Chapter 1
Vocabulary
Subject: entities that we measure in a study.
Variable: any characteristic that is observed for the subjects in a
study.
Population: the set of all subjects of interest.
My Stat Lab Homework Solutions: HW 9 Section 8.3, 9.3-9.4
1. A survey asked the question "What do you think is the ideal number of children for a family to have?"
The 599 females who responded had a median of 2, mean of 3.5, and standard deviation of 1.23
Exam I Practice Questions
1. Last semester, 47 STAT 201 students were asked, How many cell phones have you lost/broken in the
past year? A histogram of their responses is shown below.
Note that x = 51 and
( x x ) 2 = 101.9
s
(x
x)2
n 1
a. How would you
STAT 201: Cumulative Practice Questions for the Final Exam
1. Review the following terms: sample, statistic, population, parameter, categorical, quantitative, discrete, continuous,
descriptive, inferential. *Review shapes of histograms. *Review the empiri
STAT 201: Cumulative Practice Questions for the Final Exam
Extra credit; To receive extra credit on the final exam, write out clear solutions on separate sheets of paper to the 8 problems
with (*) and turn in before class on April. 22nd. For each complete
FILL UP MY CUP
Abstract:
In this experiment we wanted to find out if college students prefer drinking coke out of a plastic
up or a paper cup. Based on the data collected, we did not have enough evidence to go with our
null hypothesis that the number of c
STAT 201: Tips on EWA for Lab Session 9
The EWA is assigned for Lab Session 9. It is due on _.
The text of the EWA must be typed. Some neat, hand-written labels and/or numbers on figures are permitted.
Remember: The EWA is done independently, not in your
Review Questions for Exam III
1. The population mean annual salary for nurses is $45,000 with a standard deviation of $2,000.
a. What is the mean of the sampling distribution of the sample mean salary for n = 35
nurses?
b. What is the standard error of
Review Questions for Exam III
1. The population mean annual salary for nurses is $45,000 with a standard deviation of $2,000.
a. What is the mean of the sampling distribution of the sample mean salary for n = 35
nurses?
b. What is the standard error of th
Formula Sheet for Exam III
(You may write on this side of the formula sheet. Do not write on the back.)
7
Categorical
SHAPE: np15, n(1-p) 15 = Bell
The mean and standard error of the sampling distribution of a sample proportion are:
arrive ontime. a. For
Question 1
The General Social Survey (GSS), conducted by the National Opinion Research Center at the
University of Chicago, is a major source of data on social attitudes in the United States. Every
other year, approximately 3,000 American adults aged 18 a
STAT 201: Formulas for Final Exam
You may add notes to both sides of this formula sheet
= x
x
n
median= The midpoint of the observations when they are ordered from smallest to largest
s
z =
(x x)
2
n 1
=
x2
( x ) 2
n 1
n
x
observation mean x
= s
std
1
Name That Distribution!
Instructions:
Read each scenario. Determine which
probability distribution best models the
application.
Answer each probability question.
Suppose that milk is shipped to retail outlets in boxes that hold 16 milk containers.
One p