Author Archives: Dr. Brenda Masters

Exam Three is Tuesday

The Exam Three is Tuesday, November 12, at 2pm, in 313 CLB.  The summary page that was shown in class during the exam review is here, Summary Page Inferences on Mean and Proportion.    Best on the TEST!

Z and t hypothesis tests and confidence intervals

The detailed class notes that we viewed in class are here:   Class Notes Z test and t test, with CI equations .

Compare the Z and t distributions

Lesson 14 covers Inferences on the Population Mean when the Population Standard Deviation is known.  The resulting hypothesis test and confidence interval are based on the Z-distribution, also called the Standard Normal Distribution. Lesson 15 covers Inference on the Population Mean when the Population Standard Deviation is unknown.   The sample standard deviation, S, will […]

Exam Two is Thursday, October 10 at 2pm

The second exam in STAT 2023 is Thursday, October 10 at 2pm. Here is an Exam Two Review Study Up and Do Your Best!

T. Boone Pickens, a life well lived.

“It’s been my observation, the harder you work the luckier you get.”      ~T. Boone Pickens