Created by and copyright of Larry Perez. Funded by the state of California through Saddleback College. More information on videos, resources, and lessons at Algebra2Go.
Questions answered by this video:
What is the Z test?
How do you identify the claim and define the hypothesis?
What is a left-tailed hypothesis test?
What is an alternate hypothesis?
What is a null hypothesis?
What are critical values for a normal distribution for statistics?
What is an acceptance and rejection region?
What is a sample standard deviation and how do you find it?
What is a Z-score and how do you find it?
How do you decide whether to accept the null hypothesis or reject it?
Currently 4.0/5 Stars.
This video does a great job of stepping through a college statistics problem, defining the hypothesis and claim, and using the Z test for a normal distribution to test the claim. A really helpful video for brushing up on this vital statistics topic.