Statistics 311
Exam 1
Practice Exam
Name(print):_KEY_
Instructor:_
Section number:_
Instructions:
o Put your name, instructor and section in the space provided.
o Read each question carefully.
o Show
This quiz is to help familiarize you with course. Please read the syllabus and list of FAQs before
attempting this quiz.
Question 1
Correct
1.00 points out of 1.00
Flag question
Question text
What is
Which one (or all) of the following are true statements about DNA?
It is required for a fertilized egg to develop.
located within chromosomes.
It is required for an organism to reproduce.
All of these
Please make sure you have reviewed the week 1 overview
before attempting this quiz.
Question 1
Correct
2.00 points out of 2.00
Flag question
Question text
A local corporation was interested in the pur
Please make sure you have reviewed the week 3 overview
before attempting this quiz.
Question 1
Correct
1.00 points out of 1.00
Flag question
Question text
In a Midwestern state an automobile insurance
Please make sure you have reviewed the week 4 overview
before attempting this quiz.
Question 1
Correct
2.00 points out of 2.00
Flag question
Question text
In engineering and product design, it is impo
ST 311
Evening Problem Session - Solutions
Exam 1 Bonus Problems
1. A North Carolina State Senator may propose a bill to legalize marijuana, but only if she
believes that more than half of the registe
Please make sure you have reviewed the week 5
overview before attempting this quiz.
Question 1
Correct
1.00 points out of 1.00
Flag question
Question text
In a specific, mid-size, warm-weathered city
Please make sure you have reviewed the week 2 overview
before attempting this quiz.
Question 1
Correct
2.00 points out of 2.00
Flag question
Question text
An instructor in a college class recently gav
Which of the following was not used by Darwin as an evidence for evolution?
sequential changes in DNA
among fossils and living forms
Darwin used all of these as evidence.
speciation on the Galapagos I
The following are true/false questions. Enter a T or F beside each blank.
a) I shall be regularly notied throughout the semester of upcoming WA due dates. I v
b) Signicant gures are important in WA. I
The following are true/false questions. Enter a T or F beside each blank.
a) Dr. Warren is the primary contact for questions regarding the laboratory. I V
b) The final examination is optional. I V
c)
The following are true/false questions. Enter a T or F beside each blank.
a) To avoid getting confused, it is a good idea not to read material or work WA in advance of lecture. I q
b) These files Dr.
You must choose an SIG of 10 ofthe 460 retail outlets In New York that sell your company's product.
Question 1. How would you label this population? (Start at 001, not 000).
- v to - v
Question 2. Use
Go to the website fast food nutrition and do the following:
- Scroll down to Hamburgers camper-d. Nutrition results for hamburgers from seveml fasl food restaurants are shown in the Iahle.
- Note that
STAT-UB.0103
Homework Set 1
Solutions
1. Consider this set of 6 values: 131, 124, 184, 119, 166, 154
Find the mean, median, and standard deviation for this set.
SOLUTION: The total of the values is 87
Choice
Rationality
Rational decision maker choses the
most preferred alternative from those
that are available, makes an optimal
choice.
The available choices constitute the
choice set.
Which is the
Homework 4b
6. Suppose that a sample of 200 accounts receivable entries at a large mail-order firm had a
mean price of $846.20 and a standard deviation of $1,840.80. Give a 95% confidence interval
for
HOMEWORK SET 4
STAT-UB.0103
1. If Z is a standard normal random variable, find the probability that
a.
0 Z 1.24
b.
Z > -0.45
c.
| Z | 0.80
2. The apples from HappyMac Farm have diameters which are app
Stats Homework Set 2
Solutions
1. If one card is selected at random from a standard deck of 52, find the probability that
a.
the selected card is a diamond () ;
b.
the selected card is a seven;
c.
the
STAT-UB.0103
Homework Set 5
COMPLETE ALL QUESTIONS FOR THIS HOMEWORK.
1. Based on a sample of 50 x-values having mean 35.36 and standard deviation 4.26,
(a)
test at the 0.05 level of significance the
ST 350
Exam 1
Fall 2016
Name_
ID #
INSTRUCTIONS:
Write your name and ID# above. Note the statement at the bottom of this page
that you must sign when you are finished with the exam.
Supply the followi
ST 350
EXAM 1 Practice Problems
Reiland
Material covered: Course Pack: Lecture Unit 1, Lecture Unit 2, Lecture Unit 3, Lecture Unit 4.1
The exam 1 topics are covered in webassign homework 1 - 4 and th
ST 311
Week 4
Note Outline 3: Standard Scores and the Normal Distribution
Key terms: normal distribution, standard normal distribution, standard (z) score,
empirical rule, percentile
Standard Scores
ST 311
Week 10
Note Outline 10: Hypothesis Tests for a Population Mean
Key Terms: t-test, statistical significance, practical significance, conditions for inference,
null hypothesis, alternative hypot
Basic paradigm of Statistics:
Parameter, statistic.
Quantitative data: numbers.
Qualitative data: how many observations are in each category.
Sampling:
Design (sampling frame, etc.)
Potential pro
Excel_StudyCard_2008.qxd
9/17/08
2:27 PM
Page 1
Excel 2007 with DDXL
J E N N I F E R L E W I S P R I E S T L E Y, P H . D.
Introduction to Excel 2007 with DDXL
The layout for Excel 2007 is very differ