STAT 371002 Introductory Applied Statistics for the Life Sciences
(Spring 2017)
Course Objective
After completing this course, a successful student should: be able to connect data to the scientific contexts in
which they arise; be able to explore data by
Stat 371
Spring 2017
February 9, 2017
Assignment #3 Due Friday, February 17, by 4pm
*Submit your homework to your support TAs mailbox anytime prior to the due date/time. The mailboxes are
to the left as you enter the Medical Science Center (1300 Universit
Stat 371
Spring 2017
January 26, 2017
Assignment #1 Due Friday, February 3rd, by 4pm
*Submit your homework to Yongfeng Wus mailbox anytime prior to the due date/time. The mailboxes are
to the left as you enter the Medical Science Center (1300 University A
Stat 371
Spring 2017
April 13, 2017
Assignment #9 Due Friday, April 21, by 4p
*Submit your homework to Yongfeng Wus mailbox anytime prior to the due date/time. The mailboxes are
to the left as you enter the Medical Science Center (1300 University Ave.) fr
Stat 371
Spring 2017
February 23, 2017
Assignment #4 Due Friday, March 3, by 4pm
*Submit your homework to Yongfeng Wus mailbox anytime prior to the due date/time. The mailboxes are
to the left as you enter the Medical Science Center (1300 University Ave.)
Stat 371
Assignment #2 Due Friday, February 10, by 4pm
*Submit your homework to your support TAs mailbox anytime prior to the due date/time. The mailboxes are
to the left as you enter the Medical Science Center (1300 University Ave.) from the main Univers
#enter cotanine data#
cotan < c( 0.43, 4.89, 5.29, 5.16, 0.59, 7.50, 4.48, 6.22)
#make qq plot#
qqnorm(cotan, main = "QQ Plot for Cotanine Data")
#function to take bootstrap samples and approximate the sampling distribution#
#dat is the vector of data#
#
NAME:_
STAT 2120: Introduction to
Statistical Analysis
Spring 2010
Final Exam, May 6, 2010
This exam is closed book and closed notes but you are allowed to use the formula sheets that are
provided for you. You may also use a calculator but not your laptop
NAME:_
STAT 2120: Introduction to Statistical Analysis
Fall 2011
Midterm Exam II, November 17, 2011
This exam is closed book and closed notes, but you are allowed to use the formula sheet that is
provided for you. You may use a calculator but not your lap
NAME:_
STAT 2120: Introduction to Statistical Analysis
Fall 2012
Midterm Exam I, October 24, 2012; 2:00PM3:15PM
This exam is closed book and closed notes, but you are allowed to use the formula sheet that is
provided for you. You may use a calculator but
NAME:_
STAT 2120: Introduction to Statistical
Analysis
Spring 2010
Midterm Exam, October 13, 2011
This exam is closed book and closed notes, but you are allowed to use the formula sheet that is
provided for you. You may use a calculator but not your lapto
Stat Notes 32112
22% of men have a defective chromosome, a doctor samples 80 men, what is the
probability than less than a quarter have the defect?
P = .22
N = 80
Std. Dev = (.22 x .78 / 80)1/2 = .0463
.25  .22 / .0463 = .648
P(Z < .65)
Z score of .65
(j,3
!+()nd (,l

~,eY
10.
(30 pts) The following data are a sample of the ages and the asking prices of used
Honda Accords ( in thousands) listed on Autotrader.com on Sept. 8,2002
.
3
15
.75
Age:
Price:
Resid
a.
4
13
.5
4
13
.5
11
9
.67
 
11
9
.67
10
Exam Review
1. Repeated wrist extension beyond 20 degrees can increase risk of wrist injuries. 24 students at Cornell
used a new mouse design and their wrist extension was recorded
27
28
24
26
27
25
25
24
24
24
25
28
22
25
24
28
27
26
31
25
28
27
27
25
Wh
INFERENCE
PROCEDURE
One Mean
Or
Matched pair
Two Means
Hypo: TEST
STATISTIC
H0: = 0
H0: 1 2 =0
df = smallest of and
or ugly formula
H0: p = p0
Tests:
N/A
Independence
X~N(, )
Xbar~N(,)
df = n1
df = n1
df = smallest of and
or ugly formula
One Proportion
(17) Ch 16/18 Extra Hypo Test Problems
1. Perry et a1. wanted to test the folklore that women who have not been given info about the sex of their
unborn child can guess it better than just chance levels. They asked a sample of 104 pregnant women to
guess
(16) Ch 17/16 In class Problems 2 sample
hypo
Set up Hypo Test
Define Parameters used in hypo test setup and state assumptions
Give expression and value of test stat
Give expression and value of Pvalue
Give conclusion, including a sentence as to the outc
(15) Ch 18 In Class P hypo
. The AP reported that 68% of Americans age 25 and older are overweight. We will assume this info
came from a census of the population. Suppose a dietitian from Alaska wishes to know whether the
proportion of such people in Alas
(14) Ch 16 In Class mu hypo
A standard method for recovering minerals and metals from biological materials results in a mean
copper recovery of 63 ppm when used to treat oyster tissue. A new treatment method was described
in the article "Simple Sample Dig
(13) Another ch 16 in class mu hypo
Much concern has been expressed in recent
years regarding the practice of using nitrates as meat
preservatives. In one study involving possible effects
of these chemicals, bacteria cultures were grown in a
medium contai