Carrying out a test for a population mean

When to use z or t statistics in significance tests
Example calculating t statistic for a test about a mean
Calculating the test statistic in a t test for a mean
Using TI calculator for P-value from t statistic
Using a table to estimate P-value from t statistic
Calculating the P-value in a t test for a mean
Comparing P-value from t statistic to significance level
Making conclusions in a t test for a mean
Free response example: Significance test for a mean