Session02

Session 2 - Learning Objectives ,[object Object],[object Object],[object Object],[object Object]

Example 8.1 Selecting a Sample of Families to Analyze Annual Incomes Methods for Selecting Random Samples

Objective To illustrate how Excel’s random number function, RAND, can be used to generate simple random samples.

RANDSAMP.XLS ,[object Object],[object Object],[object Object],[object Object]

Sampling Terminology ,[object Object],[object Object],[object Object]

Sampling Terminology -- continued ,[object Object],[object Object],[object Object]

Solution ,[object Object],[object Object],[object Object],[object Object]

Solution -- continued ,[object Object],[object Object],[object Object]

More Random Samples Automatically ,[object Object],[object Object]

Example 8.2 Sampling from Accounts Receivable at Spring Mills Company Methods for Selecting Random Samples

Objective To illustrate StatPro’s method of choosing simple random samples, and how the associated data can be found with Excel’s lookup functions.

RECEIVE.XLS ,[object Object],[object Object],[object Object],[object Object],[object Object]

Solution ,[object Object],[object Object],[object Object]

Solution -- continued ,[object Object],[object Object]

Solution -- continued ,[object Object]

Example 8.3 Stratified Sampling from the Smalltown Population of Sears Credit Card Holders Methods for Selecting Random Samples

Objective To illustrate how stratified sampling, with proportional sample sizes, can be implemented in Excel.

STRATIFIED.XLS ,[object Object],[object Object],[object Object],[object Object]

Systematic Sampling ,[object Object],[object Object],[object Object],[object Object],[object Object]

Stratified Sampling ,[object Object],[object Object],[object Object]

Stratified Sampling -- continued ,[object Object],[object Object],[object Object]

Solution ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Solution -- continued ,[object Object],[object Object],[object Object],[object Object]

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