## L1 b More about Tests

Revisiting the hypothesis test and Type I and Type II error....

From Azucena Overman

Revisiting the hypothesis test and Type I and Type II error....

From Azucena Overman

An introduction to null and alternate hypotheses....

From Azucena Overman

How to calculate a confidence interval for a proportion p, including the 1-PropZint shortcut on the TI-84....

From Azucena Overman

Calculating a confidence interval for a mean from a set of data or statistics from a set of data....

From Azucena Overman

...

From Azucena Overman

Determining a confidence interval for averages when you have a sample mean and you know the standard deviation for the population....

From Azucena Overman

Making the continuity correction for greater than or equal to greater than less than less than or equal to...

From Azucena Overman

How to calculate the probability that x equals a number using a normal approximation for a discrete binomial distribution. In this example, we're looking at padded insurance claims....

From Azucena Overman

...

From Azucena Overman

Using x values and the mean and the standard deviation to make comparisons....

From Azucena Overman

...

From Azucena Overman

Using the table to calculate the % lying between two Z-Scores....

From Azucena Overman

We use common sense and a table to determine the percentages of areas on either side of a given Z score....

From Azucena Overman

Watch this very helpful warm up to review the empirical rule and connect Z scores with probabilities....

From Azucena Overman

Determining % of population using the empirical rule....

From Azucena Overman

Determining % of population using the empirical rule....

From Azucena Overman

...

From Azucena Overman

...

From Azucena Overman

Formula and calculator shortcuts and examples...

From Azucena Overman

Developing probability for a binomal distribution...

From Azucena Overman

Various practice problems for the TSI....

From Azucena Overman

Basic steps to solve equations....

From Azucena Overman

Angle relationships for parallel lines....

From Azucena Overman

Polygon Area Formulas...

From Azucena Overman

Distance and Pythagorean Theorem...

From Azucena Overman

Consecutive numbers...

From Azucena Overman

The sum of 2 numbers is 17. Write an expression for the difference of 5 more than the larger number and 4 times the smaller number....

From Azucena Overman

Circles and Spheres...

From Azucena Overman

Practice problems for the TSI...

From Azucena Overman

The total time someone spends exercising is 115 minutes. Running burns 12 calories per minute and swimming burns 7 calories per minute. Write an expression for the total calories burned in terms of r....

From Azucena Overman

...

From Azucena Overman

Formula for conditional probability. How to determine OR probability. Using a Venn Diagram....

From Azucena Overman

Page 1 of notes. Urn example with and without replacement....

From Azucena Overman

Calculating various types of probabilities using a table....

From Azucena Overman

...

From Azucena Overman

Page 2 of notes. How do we tell independent and dependent events apart. Examples of independent events....

From Azucena Overman

...

From Azucena Overman

...

From Azucena Overman

...

From Azucena Overman

How to choose r things from n things given that position doesn't matter....

From Azucena Overman

How to arrange r of n things to choose from....

From Azucena Overman

TSI practice warm up...

From Azucena Overman

The number of ways to arrange n things....

From Azucena Overman

...

From Azucena Overman

...

From Azucena Overman

TSI Warm Up Problems from 1/10 & 1/11...

From Azucena Overman

We construct a table from the sample tree of theoretical probabilities in the dice game. We also look at constructing a table from just theoretical probabilities without a sample tree....

From Azucena Overman