Homework 1

Jan 17 2000

Definitions

Give the definition and the symbol for each of the following terms:

• Sum
• Population Mean
• Sample Mean
• Sum of Squares
• Population Standard Deviation
• Sample Standard Deviation
• Variance
• Median
• Oservation $i$
• Maximum Observed Value
• Minimum Observed Value

More Definitions

1. Describe the difference between a sample and a census.
   
   
   
2. Give an example of sampling error
   
   
   
3. Give an example of measurement error
   
   
   

Descriptive Statistics

Calculate the mean, variance, standard deviation, median, and first and third quartiles for the following two data sets:

1. 16, 19, 12, 10, 9, 10, 4, 3, 12, 11, 13, 22, 67
2. 116, 119, 110, 109, 104, 103, 112, 111, 113, 122, 167

About this document ...

Homework 1

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