and interpreting a 95% confidence interval for a proportion “Calculating “ . divided on NZ-US exercises” and the write-on Return to the media article “Opinion template. Complete Q2: 2.Margin of For poll %s of about 50% , (between 30% and 70%) margin of error at a confidence level ≈ …95%…… For poll %s and the margin of error is below 30% above70%, ……smaller……….. 95% of the time, the 95% confidence interval true percentage in the population. …captures…the Students should draw the confidence interval picture: We can say, with 95% confidence, that the % of NZ children who travel to school by car is somewhere between ……39%…….and……48%………... Note: Bootstrap confidence intervals are not necessarily symmetric. However, when doing of thumb” calculations to test claims, we will use symmetric confidence “rule intervals: poll% ± margin of error The margin of error can be abbreviated by MoE in calculation working. Encourage use of both a diagram and the square bracket notation: [39%, 48%] ACTIVITY 7 Now complete Q3 on the write-on sheet, testing the claim in the NZ-US article: is fairly divided” “Opinion
“Calculating and interpreting a 95% confidence interval for a proportion “ Return to the media article . “Opinion divided on NZ-US exercises” and the write-on template. Complete Q2: 2.Margin of For poll %s of about 50% (between 30% and 70%) , margin of error ≈ at a …95%…… confidence level For poll %s below 30% and above70%, the margin of error is ……smaller……….. 95% of the time, the 95% confidence interval …captures…the true percentage in the population. Students should draw the confidence interval picture: We can say, with 95% confidence, that the % of NZ children who travel to school by car is somewhere between ……39%…….and……48%………... Note: Bootstrap confidence intervals are not necessarily symmetric. However, when doing “rule of thumb” calculations to test claims, we will use symmetric confidence intervals: poll% ± margin of error The margin of error can be abbreviated by MoE in calculation working. Encourage use of both a diagram and the square bracket notation: [39%, 48%] ACTIVITY 7 Now complete Q3 on the write-on sheet, testing the claim in the NZ-US article: “Opinion is fairly divided”
AS-3.12-Margin-of-Error-Lesson-Plans-pg7-amended.docx