Introductory Applied Statistics for the Life Sciences
STAT 371

Fall 2010
Name:
Section:
Mastery Exam 4H
Statistics 371, Fall 2002
Scientists observed 31 adult rhesus monkeys, aged 5 to 27 years old, to see if aging aected motor functions and incidence
of parkinsonian signs with the purpose of establishing that rhesus monkeys
Introductory Applied Statistics for the Life Sciences
STAT 371

Spring 2012
Stat 371
Midterm Exam #1: solution key
1. There were many appropriate ways to present the
data. Here is one.
male from same male from other
population
population
Benthic
female
15
9
Limnetic
female
18
6
February 28, 2012
the same parents) are expected to
Introductory Applied Statistics for the Life Sciences
STAT 371

Fall 2010
Name:
Section:
Mastery Exam 1E (Solution)
Statistics 371, Fall 2002
In an experiment on rhesus monkeys, nerve cells emanating from the left side of the spinal cord were cut while those
from the right side were left intact. During the time in which the cu
Introductory Applied Statistics for the Life Sciences
STAT 371

Spring 2012
Vehicle Na Sports Car SUV? 1=ye Wagon? 1=Minivan? 1 Pickup? 1= All Wheel Rear WheelMSRP
Chevrolet
Chevrolet
Chevrolet C
Chevrolet C
Chevrolet C
Dodge Neo
Dodge Neo
Ford Focus
Ford Focus
Ford Focus
Ford Focus
Honda Civi
Honda Civi
Honda Civi
Hyundai Ac
Hyu
Introductory Applied Statistics for the Life Sciences
STAT 371

Spring 2012
Data Analysis Course
Estimation  Summary
Draft: October 10, 2016
Estimation
1. Distributions of Functions of RVs
Two RVs are said to be independent if the realization of one of them does not change the probability distribution of the other, and vice ver
Introductory Applied Statistics for the Life Sciences
STAT 371

Spring 2012
Data Analysis Course
Random Variables and Distributions  Summary
Draft: September 1, 2016
Random Variables and Distributions
1. Random Variables
Random variable, or RV for short, is the name given to a conceptual entity that represents a random
process.
Introductory Applied Statistics for the Life Sciences
STAT 371

Spring 2012
Discussion 2: Descriptive statistics with answers
Statistics 371
September 1314, 2016
1. (From Ott & Longnecker, 3.21)
The ratio of the chemical DDE (which is related to DDT) to PCB concentrations in bird eggs has been
shown to have a number of biologica
Introductory Applied Statistics for the Life Sciences
STAT 371

Spring 2012
brief communications
Adult persistence of headturning asymmetry
A neonatal rightside preference makes a surprising romantic reappearance later in life.
A
Number of kissing pairs
80
60
40
20
Left turn
Right turn
Figure 1 The number of couples who turn th
Introductory Applied Statistics for the Life Sciences
STAT 371

Spring 2012
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Introductory Applied Statistics for the Life Sciences
STAT 371

Spring 2012
STAT 371, Lecture 1
Fall 2016
Instructor
Nicholas Keuler
1237 Medical Science Center
[email protected]
Office Hours: Thursdays 1011a, and by appointment
Teaching Assistants
Hao Yang Teng (Discussion TA)
1335 Medical Science Center, cubicle P
[email protected]
Introductory Applied Statistics for the Life Sciences
STAT 371

Spring 2012
Data Analysis Course
Probability  Summary
Draft: September 1, 2016
Probability
1. Probability vs. Statistics
A random sample is a special kind of sample where there is some uncertainty as to which members
of the population will be selected.
Probability
Introductory Applied Statistics for the Life Sciences
STAT 371

Spring 2012
Data Analysis Course
Descriptive Statistics  Summary
Draft: August 31, 2016
Descriptive Statistics
1. Histograms
Histograms are created by dividing the data into bins and plotting the number of observations in each
bin as a bar.
Histograms help us see
Introductory Applied Statistics for the Life Sciences
STAT 371

Spring 2012
Data Analysis Course
Introduction  Summary
Draft: August 31, 2016
Introduction
1. What is Statistics?
Statistics is the science of converting data into knowledge.
Statistics is, learning in the presense of variation. (Wardrop)
2. Populations and Sample
Introductory Applied Statistics for the Life Sciences
STAT 371

Spring 2012
Stat 371
Midterm Exam #1
Name:
February 21, 2006
For instructors use:
Instructions.
1
34
2
31
3
5
4
21
5
9
Total
100
One sheet of notes is allowed (twosided is okay).
Do all your work in the spaces provided. If you need
additional space for your work,
Introductory Applied Statistics for the Life Sciences
STAT 371

Spring 2012
Key for HW #11
1,
Check these assumptions.
i)
The straight line relationship is correct.
ii)
Errors ei are independent.
iii) Errors ei have homogeneous variance.
iv) Errors ei have normal distribution
(a) The variance in Y
is not equal for all X, but incr
Introductory Applied Statistics for the Life Sciences
STAT 371

Spring 2012
Key for HW #10
1.
c)
H0: Habitat types do not differ in mean cone size ( 1 = 2 = 3).
Ha: Habitat types differ in mean cone size (at least one i is different from at least one other j)
By hand,
Island absent
Mainland present
9.6
6.8
6.7
9.4
6.6
6.4
8.9
6.0
Introductory Applied Statistics for the Life Sciences
STAT 371

Spring 2012
Use the cars 2004 dataset to do the following:
Select only the SUVs (SUV?=1). Using a boxplot, graph the MSRP.
Describe the shape of the dataset, according to this boxplot.
According to the boxplot, are there any outliers? Explain your answer.
The center
Introductory Applied Statistics for the Life Sciences
STAT 371

Spring 2012
Stat 371
Spring 2017
March 16, 2017
Assignment #7 Due Friday, March 31, by 4p
*Submit your homework to Yuchen Zhous 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
Introductory Applied Statistics for the Life Sciences
STAT 371

Spring 2012
Stat 371
Spring 2017
April 6, 2017
Assignment #8 Due Friday, April 14, by 4pm
*Submit your homework to instructors or TAs mailbox anytime prior to the due date/time. The mailboxes are
to the left as you enter the Medical Science Center (1300 University Av
Introductory Applied Statistics for the Life Sciences
STAT 371

Spring 2012
Stat 371
Fall 2016
March 1, 2017
Assignment #5 Due Friday, March 10, by 4pm
*Submit your homework to Yuchen Zhous 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
Introductory Applied Statistics for the Life Sciences
STAT 371

Spring 2012
Michael Shannon Jr.
Discussion 313
Stat 371
Spring 2017
March 9, 2017
Assignment #6 Due Friday, March 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 S
Introductory Applied Statistics for the Life Sciences
STAT 371

Spring 2012
Stat 371
Fall 2016
March 1, 2017
Assignment #5 Due Friday, March 10, by 4pm
*Submit your homework to Yuchen Zhous 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
Introductory Applied Statistics for the Life Sciences
STAT 371

Spring 2012
Stat 371
Spring 2017
Feb 22, 2017
Assignment #4 Solutions
1. Consider a large population which has population mean , and population variance 2 . We take a sample
of size n = 3 from this population, thinking of the samples as realizations of the RVs X1 , X
Introductory Applied Statistics for the Life Sciences
STAT 371

Spring 2012
Stat 371
Spring 2017
February 3, 2017
Assignment #1 Solutions
1. Consider the following data on the running speed (cm/s) of a certain species of spider:
1.25, 1.64, 1.91, 2.31, 2.37, 2.38, 2.84, 2.87, 2.93, 2.94, 2.98, 3.00, 3.09, 3.22, 3.41
(a) Use R to
Introductory Applied Statistics for the Life Sciences
STAT 371

Spring 2012
Stat 371
Spring 2017
February 17, 2017
Assignment #3 Solutions
1. Let X N (10, 25). Answer the following questions about X. Calculate these probabilities using the normal
probability table posted on Learn (Normal Table for Exams in the General Class Files