Two problems from Assignment 5

Here are two problems that you are assigned on Assignment 5.  The numbering and lettering of the parts of the problems do not match your problems.  Compare your work and take particular notice of the notation.   Contact with any questions.

20160908-two-problems-on-assignment 5

Assigned Exam Seats

Look up your CWID in this file assigned-seats-spring-2017 .

Write down the row LETTER and seat NUMBER on your page of paper that you may bring to the exam.

Locate your seat on this diagram of the room SCPA 125 room diagram

Difference Between Interval and Ratio Data

A interval variable is a measurement where the difference between two values is meaningful. The difference between a temperature of 100 degrees and 90 degrees is the same difference as between 90 degrees and 80 degrees. … However, temperature in Kelvin is a ratio variable, as 0.0 Kelvin really does mean ‘no heat’.

Welcome to STAT 2023 Spring 2017!

Greetings Students!

Welcome to STAT 2023, Elementary Statistics for Business and Economics.

This website provides in-class exercise keys, homework assignments, and past exams with keys.   The material can be very helpful to you to study, learn, and practice the concepts of statistics.  The first class period will cover how the aspects of the course fit together and will discuss a plan for success.

Let’s have a great semester!

Lesson 17, The Difference Between Two Population Means

For Lesson 17 here are some summary notes, Lesson 17 Summary Notes.