'Polling organization' presentation slideshows

Sample Proportions

Sample Proportions. What do YOU think?. 91% of teens have been bullied. Are these parameters or statistics? What specific type of parameter/statistic are they? How do you think they were calculated? How can we be sure that method yielded a good estimate?. 74% of US teens carry a cell phone.

364 views • 26 slides

Sampling Distributions

Sampling Distributions. Estimator of the population. 3.6 2.7 5.0 2.4 Population 2.9 3.1 3.0 3.4 2.6 4.1 4.7 2.0. 5.0 4.1 Sample 3.4 4.7 2.4. Take a Sample. Parameter, Statistic.

500 views • 26 slides

Things you need to know for 9.2

153 views • 7 slides

Chapter 7 Review

82 views • 7 slides