U5D1 Ch.Y.U. - Sampling Distributions & Bias and Variability

For each scenario, identify the population, parameter, sample, and statistic. Use correct notation for the parameter and statistic.

The Gallup Organization recently interviewed a random sample of 1,013 adults in the United States and asked them how much annual income their families need to get by. The average amount for the sample was $85,000.

For each scenario, identify the population, parameter, sample, and statistic. Use correct notation for the parameter and statistic.

The Gallup Organization recently interviewed a random sample of 1,013 adults in the United States and asked them how much annual income their families need to get by. The standard deviation amount for the sample was $15,300.

For each scenario, identify the population, parameter, sample, and statistic. Use correct notation for the parameter and statistic.

Some curious AP Statistics students believe that most cars in the school parking lot are silver. They take a random sample of 30 cars and calculate that the proportion of the sample that are silver is 0.36.

The James family has five children: Jocelyn (age 8), Alyse (age 8), Michael (age 14), Erica (age 16), and Sarah (age 18).