Stats_Medic_Unit_7_Important_Ideas

Important Ideas for CED Unit 7

Estimating a Population Mean

• Activity: How Much Does an Oreo Weigh?

  • Determine the critical value for calculating a C% confidence interval for a population mean using a table or technology.

  • Conditions to check:

    • Random

    • 10% condition

    • Normal/Large Sample condition

• Activity: How Many States Can You Name?

  • Construct and interpret a confidence interval for a population mean.

Confidence Interval for a Difference of Mean

• Activity: Which Cookie Has the Most Chocolate Chips?

  • Determine if the conditions are met for constructing a confidence interval for a difference between two means.

  • Construct and interpret a confidence interval for a difference between two means.

Confidence Intervals for a Mean Difference

• Activity: Is Climate Change Real?

  • Analyze the distribution of differences in a paired data set using graphs and summary statistics.

  • Construct and interpret a confidence interval for a mean difference.

Significance Test for a Mean

• Activity: Are You Getting Enough Sleep?

  • State and check the Random, 10%, and Normal/Large Sample conditions for performing a significance test about a population mean.

  • Calculate the standardized test statistic and P-value for a test about a population mean.

  • Perform a significance test about a population mean.

• Activity: What is Normal Body Temperature?

  • Perform a significance test about a population mean (4-step process).

  • Understand the connection between confidence intervals and significance tests.

Significance Test for a Difference of Means

• Activity: Is One Form of the AP Exam Harder?

  • State appropriate hypotheses for a significance test about a difference between two means.

  • Determine whether conditions are met for performing a test about a difference between means.

• Activity: Does Labeling Menus Reduce Calories?

  • Perform a significance test about a difference between two means (4-step process).

Significance Test for a Mean of Differences

• Activity: Climate Change Part 2

  • Perform a significance test about a mean difference.

  • Determine when to use paired t procedures versus two-sample t procedures.