True/False Practice Questions
Problem 1 [30 points, 2.5 points each] True or False: Circle the appropriate answer. All these
questions were taken from the notes outlines from chapters 8, 9, 10, 11, 12, and 14 (modules 8-13).
1. A point estimate is a singl
True/False Practice Questions
Problem 1 [30 points, 2.5 points each] True or False: Circle the appropriate answer.
1. The sample mean IQ score for subjects taking the Wechsler Adult Intelligence Scale IQ test is
100. The sample mean IQ score of 100 is a p
How To Make The Most Fuel Efficient Vehicle
There are six main fuel
types that cars use to
power them: ethanol
gas, gasoline, diesel,
hydrogen, and
electricity. Most cars on
the road today are
gasoline powered but
electric cars, while
more efficient, are
Module 8 Notes
Chapter 9 - Statistical Inference: Significance Tests About Hypotheses
Fill in the items while you read the chapter and watch the video presentations.
Section 9.1 - Different Types of Data and their Descriptions
Video #1 (Writing Hypotheses
Module 10 Notes
Chapter 12 - Analyzing the Association Between Quantitative Variables:
Regression Analysis
Fill in the items while you read the chapter and watch the video presentations.
Section 12.1 - Model How Two Variables Are Related
Video #1 (Model H
Module 4 Notes
Chapter 5 - Probability in Our Daily Lives
Fill in the items while you read the chapter and watch the video presentations.
Section 5.1 - How Probability Quantifies Randomness
Video #1 (How Probability Quantifies Randomness) Outline:
Three T
Module 9 Problem Session
1. Are people waiting longer to marry? In 2007, a random sample of young adults (ages 18-31)
showed that 468 of 1872 of those surveyed were married. In 2012, 581 of the 1940 young adults
(ages 18-31) randomly surveyed were married
Module 4 Problem Session
1.
A check of dorm rooms on a large college campus revealed that 38% had air conditioners, 62%
had refrigerators, and 35% had both an air conditioner and a refrigerator. Draw a Venn diagram to help
you find each of the probabiliti
Module 10 Problem Session
1. Can life expectancy be predicted by the number of TVs? Data obtained from The World Almanac
and Book of Facts 2006 provides information on life expectancy and number of televisions per
thousand people in a sample of 22 countri
Module 6 Problem Session
Be sure to check the assumptions and conditions for the CLT! Sketch and label diagrams to
help you solve the problems.
1.
Youd like to estimate the proportion of the 14,201 undergraduate students at Syracuse University
who are ful
Module 5 Notes
Chapter 6 - Probability Distributions
Fill in the items while you read the chapter and watch the video presentations.
Section 6.1 - Summarizing Possible Outcomes and Their Probabilities
Video #1 (Summarizing Possible Outcomes and Their Prob
Module 2 Problem Session
1. A random sample of STA 261 students showed the following majors.
Psychology
Education
Education
Biology
Psychology
Strategic
Communication
Psychology
Education
Biology
Strategic
Communication
Sports Leadership
& Management
Stra
Module 11 Notes
Chapter 13 - Multiple Regression
Section 13.1 - Using Several Variables to Predict a Response
Video #5 (Using Several Variables to Predict a Response) Outline:
Introduction to multiple regression
Comparing MLR and SLR
Population vs. samp
Which Inference Procedure Do I Use?
1. A development officer at a large university believes that the amount of money donated to the
general fund by alumni each year is linearly related to the football teams winning percentage. A
random sample of Division
Module 3 Notes
Chapter 3 - Association: Contingency, Correlation, and Regression
Fill in the items while you read the chapter and watch the video presentations.
Section 3.1 - The Association Between Two Categorical Variables
Video #1 (The Association Betw
Module 7 Notes
Chapter 8 - Statistical Inference: Confidence Intervals
Fill in the items while you read the chapter and watch the video presentations.
Section 8.1 - Point and Interval Estimates of Population Parameters
Video #1 (Point & Interval Estimates
Module 1 Problem Session
1. Determine whether each of the following is an example of descriptive or inferential statistics.
a. The Ohio State Patrol maintains records concerning all traffic stops. A yearly report lists the
proportion of all traffic stops,
Module 9 Notes
Chapter 10 - Comparing Two Groups
Fill in the items while you read the chapter and watch the video presentations.
Section 10.1 - Categorical Response: Comparing Two Proportions
Video #1 (Categorical Response: Comparing Two Proportions) Outl
Module 2 Notes
Chapter 2 - Exploring Data with Graphs & Numerical Summaries
Fill in the items while you read the chapter and watch the video presentations.
Section 2.2 (Part 1) - Graphical Summaries of Categorical Data
Video #1 (Graphical Summaries of Cat
Module 6 Notes
Chapter 7 - Sampling Distributions
Fill in the items while you read the chapter and watch the video presentations.
Section 7.1 - How Sample Proportions Vary Around the Population Proportion
Video #1 (How Sample Proportions Vary Around the P
Module 7 Problem Session
1.
According to U.S. Department of Justice, theft from parked cars make up 36% of all reported
larcenies (Keister, 2007). Despite this trend, many people still leave their cars unlocked. In a
random sample of 550 drivers, 313 said
Module 5 Problem Session
1. Buffalo Wild Wings carefully monitors customer orders and has found that 20% of all customers ordering
food ask for wings (W), while the remainder order something else (E). (Rovell, 2012). Suppose three
customers are selected a
Module 3 Problem Session
Part 1: The General Social Survey (GSS) is a large-scale survey conducted every two years on a
nationally representative sample of adult Americans. One of the questions asked: Taken all together,
how would you say things are these
Module 8 Problem Session
1.
Miami University has students that take classes in Upham Hall that require the use of an elevator.
All commercial elevators must pass yearly inspections. An inspector has to choose between
certifying an elevator as safe or sayi
Module 1 Notes
Chapter 1 - Statistics: The Art and Science of Learning from Data
Fill in the items while you read the chapter and watch the video presentations.
Section 1.1 - Using Data to Answer Statistical Questions
Video #1 (Using Data to Answer Statis
Module 11 Problem Session
1. A household appliance manufacturer wants to analyze the relationship between total sales and the
companys three primary means of advertising; television, magazines and radio. The data were
collected for ten randomly selected s
Note: You may use your notes and your book. Show your work.
Suppose that a computer network has two servers. Server I is active 80% of the time. Server II
is active 75% of the time. Both are idl_e (neither is active) 10% of the time. Let event A 2
Server
PROBABILITY
STA 401/501, Spring 2017
Lecture: Monday & Wednesday & Friday: 8:30am-9:25pm, 229 Upham Hall
Instructor: Dr. Tatjana Miljkovic
Contact: 334 Upham Hall
Phone: 513-529-3299; e-mail: [email protected]
Office Hours: Monday & Wednesday & Friday:
ADDITION RULE OF PROBABILITY ,
1. Ina local community served by two daily newspapers, information provided by
the papers indicate that 40% of households in the community take the Daily
Bugle, and 35% take the Clarion Express. From a study done by a resear