Midterm 1 - STAT 301
Spring 2013
Name:
UIN:
Signature:
Version A:
1. Do not open this test until told to do so.
2. This is a closed book examination, However you may use one single-sided sheet of
form
Homework 4
1. My mom says cancer is associated with not getting enough sunshine. Which of
the following graphs would be useful for displaying any potential association
between having cancer (yes or no
Solutions 8
(1) In this question we investigate whether there is a dierence between the mean number
of blue and yellow M&Ms in a fun size bag. To investigate this I am not sure whether
to use matched
Midterm 2 - STAT 301 Section 501/502 Version 1
Spring 2012
1. Do not open this test until told to do so.
2. Turn in your exam with your answers circled when you are done with the exam. You
should not
Solutions 6
(1) In a statistical test about the null hypothesis was rejected. Based on this conclusion,
which of the following statements are true?
(a) A type I error was committed.
FALSE.
When the nu
STAT301 Homework 4
In this homework we practice confidence intervals and one-sample tests. We also get some
Statcrunch practice.
(1) A 95% confidence interval for the mean is [10, 18]. How much do I n
STAT301 Homework 5
(1) Here we match probabilities to t-transforms.
Using the t-tables find the most accurate probability bounds for the following ttransforms. For example, if I ask for the area to th
STAT301 Homework 3
In this homework we consider how to design an experiment correctly (without bias), evaluating normal probabilities and applying the central limit theorem.
(1) A teacher asks her cla
STAT301 Homework 1
To do the HWs you will need to either use statcrunch in the lab or download it on your
computer.
On my website I have posted the M&M data. Download this data set and upload it into
Solutions 7
Review, one sample t-test, independent two-sample t-test, binomial distribution, standard
errors and one-sample proportions.
(1) Here we debunk a popular misconception about condence inter
STAT301 Solutions 5
(1) Here we have match probabilities to t-transforms.
Using the t-tables nd the most accurate probability bounds for the following ttransforms. For example, if I ask for the area t
Solutions 9
(1) A survey was conducted to see whether there is a dierence in the preference of fruit
juices between those living on the East and West coast of the US. 1000 people were
surveyed, each p
Homework 3
1. Outliers affect:
A.
B.
C.
D.
E.
means
ranges
standard deviations
z-scores
All of the above
2. Outliers affect:
A.
B.
C.
D.
quartiles
medians
IQR's
none of the above
3. Jack (a male) is 6
Homework 2
1. In the year 2000, there were a reported 7,867 cases of whooping cough in the
U.S., while in the year 2002, there were 9,771 cases, according to the CDC.
What might be misleading about co
Chapter 6 Clicker Questions
1. All students in a class were asked how many times they had read the city newspaper in the past
5 days. The data is in the chart below. What proportion read the newspaper
Homework 1
1. An ecologist was interested in how the distribution of fish in a lake was changing
over time. The current study of 1028 fish contained 523 catfish. The ecologist
estimated that 50.9% of
Homework 1
1. An ecologist was interested in how the distribution of fish in a lake was changing
over time. The current study of 1028 fish contained 523 catfish. The ecologist
estimated that 50.9% of
Homework 6
1. Corn variety #1 yielded 140 bushels per acre last year at a research farm. This
year, corn variety #2, planted in the same location, yielded only 110 bushels per
acre. Unfortunately, we
Midterm 1 - STAT 301
Spring 2015
Type A
Name:
UIN:
Signature:
1. Do not open this test until told to do so.
2. Turn in your exam with your answers circled When you are done With the exam. You
should n
Final - STAT 301 " -r
Spring 2013
Name:
UIN:
Signature:
Version A:
1. Do not open this test until told to do so.
2. This is a closed book examinatiori, However yOu may use four singlesided sheet of fo
Midterm 1 - STAT 301 Section 501/502 1
Spring 2012
Name:
UIN:
Signature:
1. Do not open this test until told to do so.
2. Turn in your exam with your answers circled when you are done with the exam. Y
Midterm 1 - STAT 301 Section 501/502 3
Spring 2012
Name:
UIN:
Signature:
1.
2.
Do not open this test until told to do so.
Turn in your exam with your answers circled when you are done with the
STAT301 Solutions 3
In this homework we consider how to design an experiment correctly (without bias), evaluating normal probabilities and applying the central limit theorem.
(1) A teacher asks her cl
STAT301 Solutions 2
(1a)
(i) I count the number of words on a page. On seven pages the word count is
100, 200, 500, 600, 800, 1300, 1600.
What is the mean and standard deviation for the above data set
STAT301 Solutions 1
(1) What sort of variable (either numerical or categorical) is
(i) The type of cycle a person owns.
Categorical
(ii) The height of a person.
Numerical
(iii) The gender of a person.
Midterm 1 - STAT 301 Section 501/502 1
Spring 2012
Name:
UIN:
Signature:
1. Do not open this test until told to do so.
2. Turn in your exam with your answers circled when you are done with the exam. Y