CK-12 Probability and Statistics - Advanced

1.2. An Overview of Data http://www.ck12.org Observational study. Experiment. The research is imposing a treatment (different c ...

http://www.ck12.org Chapter 1. An Introduction to Analyzing Statistical Data 1.3 Measures of Center Learning Objectives Calcula ...

1.3. Measures of Center http://www.ck12.org Notice how careful we are to NOT apply this to a larger population and assume that t ...

http://www.ck12.org Chapter 1. An Introduction to Analyzing Statistical Data There are 22 students in this class and the total n ...

1.3. Measures of Center http://www.ck12.org Technology Note: Use the TI-83/84, and Mean it! As was already mentioned, once you u ...

http://www.ck12.org Chapter 1. An Introduction to Analyzing Statistical Data On the home screen, press[2nd][LIST]to enter the li ...

1.3. Measures of Center http://www.ck12.org Mean vs. Median Both the mean and the median are important and widely used measures ...

http://www.ck12.org Chapter 1. An Introduction to Analyzing Statistical Data x ̄=∑ (x 1 +x 2 +···+xn) n You may have remembered ...

1.3. Measures of Center http://www.ck12.org Trimmed Mean Remember that the mean is not resistant to the effects of outliers. Man ...

http://www.ck12.org Chapter 1. An Introduction to Analyzing Statistical Data This is not a hard and fast rule and is a good illu ...

1.3. Measures of Center http://www.ck12.org “middle” quartile and is sometimes referred to asQ 2. Some also refer to the minimum ...

http://www.ck12.org Chapter 1. An Introduction to Analyzing Statistical Data Technology Note: Medians and Quartiles on the Graph ...

1.3. Measures of Center http://www.ck12.org Other measures of center include themidrange, which is the mean of the maximum and m ...

http://www.ck12.org Chapter 1. An Introduction to Analyzing Statistical Data TABLE1.4:(continued) Island or Volcano Number of In ...

1.3. Measures of Center http://www.ck12.org Further Reading http://edhelper.com/statistics.htm; http://en.wikipedia.org/wiki/Ar ...

http://www.ck12.org Chapter 1. An Introduction to Analyzing Statistical Data Discrete Variable A numerical variable that only ex ...

1.4. Measures of Spread http://www.ck12.org 1.4 Measures of Spread Learning Objectives Calculate the range and interquartile ra ...

http://www.ck12.org Chapter 1. An Introduction to Analyzing Statistical Data A recent study proclaimed Mobile, Alabama the “wett ...

1.4. Measures of Spread http://www.ck12.org Standard Deviation Thestandard deviationis an extremely important measure of spread ...

http://www.ck12.org Chapter 1. An Introduction to Analyzing Statistical Data TABLE1.9: Observed Data Deviations (x−x ̄^2 ) 9. 5 ...