Probability and Statistics > Critical Values & Hypothesis Testing > Find a critical value Critical values are used in hypothesis testing. The alpha level is the maximum probability where you reject the null hypothesis if the null hypothesis is true.…

# Z Score TI 89 (Left-Tailed test): Easy Steps

Probability and Statistics > TI 89 > Z Score TI 89 Finding a critical value and reading a z-table are an essential part of elementary statistics. Critical values are used for hypothesis tests, and can help you use the standard…

# Support or Reject Null Hypothesis in Easy Steps

Critical Values & Hypothesis Testing > Support or Reject Null Hypothesis When to Reject the Null hypothesis Basically, you reject the null hypothesis when your test value falls into the rejection region. There are four main ways you’ll compute test…

# Two Tailed Normal Curve: How to find the area

Probability and Statistics > Normal Distributions > Two Tailed Normal Curve Two Tailed Normal Curve: How to find the area A two tailed normal curve is one where there’s an area in each of the two tails. In order to…

# Area to the Right of a z score (How to Find it)

Probability and Statistics > Normal Distributions > Area to the Right of a z score Watch the video or read the article below: How to find the Area to the Right of a z score There are a few ways…

# How to find area left of a z score

Probability and Statistics > Normal Distributions > How to find area left of a z score How to find area left of a z score You can find area to the left of a z score (where z is greater…

# Area between two z values on opposite sides of mean

Normal distribution curve index > area between two z values on opposite sides Watch the video or read the steps below: How to find the area between two z values on opposite sides of the mean If you want to…

# Area between two z scores on one side of the mean

Normal distribution curve index > Area between two z scores Watch the video or read the article below: If you want to find the area between two z scores, the technique will differ slightly depending on if you have two…

# One tailed distribution (How to find the area)

Probability and Statistics Index > Critical Values, Z Tables and Hypothesis Testing > One Tailed Distribution One tailed distribution (How to find the area) A one-tailed distribution in statistics refers to a shaded area in one tail of a probability…

# Area Under a Normal Distribution Curve Index

Probability and Statistics > Critical Values & Hypothesis Testing > Area Under a Normal Distribution Curve How To Find the Area Under a Normal Distribution Curve How you find the area under a normal distribution curve depends on what your…