Name Descriptive Project HANDWRITTEN NOT TYPED 20 points Due Jan 23 2014 1 a Define statistics the subject b Define and describe the two branches of statistics 2 Give two examples of each kind of data or measurement scale not already listed in the Course Notes Qualitative Quantitative discrete Quantitative continuous Nominal Ordinal Interval Ratio 3 Susan would like to determine the proportion of all Penn State Berks students who work at least 20 hours each week She decides to ask every 12th student entering Franco starting at 8 00 AM on January 9th How many hours each week do you work She talked to 90 registered students Sally told Susan that she worked 25 hours while John said he worked 10 hours week For this situation state the Population Sampling method Sample Data value Statistic Variable Type 4 Find a USA Today Snap Shot from a newspaper or other printed copy that uses sample descriptive statistics The copy must have been printed in a magazine or newspaper with a date Jan 1 2013 or later Tape a copy of the Snap Shot on the reverse side of this page For your SnapShot state the Population Sampling Method Sample Variable Statistic 5 List several reasons for using data from a sample instead of the entire populations to draw conclusions 6 List three examples where statistics is used 7 State your major or best guess at your major Give several examples of ways statistics is used in your major 8 List two advances in the last 50 years that resulted because of the use of statistics 9 Complete the definitions on the next several pages If you have already recorded them just attach them instead of rewriting them Variable Random variable Data Population Sample Parameter Statistic Methods of classifying variables 1 Qualitative 2 Quantitative a Discrete b Continuous Types of Measurement Scales a Nominal b Ordinal c Interval d Ratio Sampling Methods methods of selecting subjects from a population for a study a Random b Systematic b Stratified c Cluster d Convenience Sometimes not appropriate for inference e Volunteer Usually not appropriate for inference Methods of Collecting Data from a Sample 1 Survey 2 Observation 3 Experiment Problems with sampling methods and solutions Explain each problem and describe a process that will minimize each issue Experimenter Effect Hawthorne Effect Confounding Variables
View Full Document
Unlocking...