Deviation Scores and Standard Deviation Assignment for Social Sciences Students, Study notes of Statistics

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Introduction to Statistics for the Social Sciences Fall 2018 , Dr. Suzanne Delaney Deviation Scores - Writing Assignment

1. What is a “deviation score”  Describe it in words: ________________________________________  Describe it symbolically: Population deviation looks like this: _____________________________ Sample deviation looks like this: _______________________________
2. Preston has a deviation score of 2. What does that tell us about Preston?  Where is Preston on this curve?  Is he taller or shorter than the mean? ____________  And by how much? __________________________  Are most people in the group taller or shorter than Preston? ______________
3. Mike has a deviation score of - 4. What does that tell us about Mike?  Where is Mike on this curve?  Is he taller or shorter than the mean? _____________  And by how much? ___________________________  Are most people in the group taller or shorter than Mike? _______________
4. Diallo has a deviation score of 0: What does that tell us about Diallo?  Where is Diallo on this curve?  Is he taller or shorter than the mean? _____________  And by how much? ___________________________  Are most people in the group taller or shorter than Diallo? ______________
5. Please write the formula for the standard deviation of a population
6. Please write the formula for the variance of a population
7. Using these 3 curves, please show 1, 2 & 3 standard deviations from mean Name: __________________________________ Lab: ___________ Lab: _________ CID #: ______________

Pop Quiz – Notation of Components of Standard Deviation Scores

1. What does this symbol refer to?  What is it called? (name of Greek symbol and concept): ____________________  Is this a parameter or a statistic? ______________________________________
2. What does this symbol refer to?  What is it called? (name of Greek symbol and concept): ____________________  Is this a parameter or a statistic? ______________________________________
3. What does this symbol refer to?  What is it called? (name and concept): _________________________________ Is this a parameter or a statistic? ______________________________________
4. What does this symbol refer to?  What is it called? (name and concept): _________________________________  Is this a parameter or a statistic? ______________________________________
5. Describe what a z score is:  Describe it in words: _____________________________________________  Describe it symbolically: __________________________________________  Is this used for a population or sample? ______________________________
6. What do these symbols refer to?  What are they called? (name and concept): _____________________________  Which is a parameter which is a statistic? _____________________________
7. What do these symbols refer to?  What are they called? (name and concept): _____________________________  Which is a parameter which is a statistic? _____________________________
8. What do these symbols refer to?  What are they called? (name and concept): _____________________________  Which is a parameter which is a statistic? _____________________________
9. What do these symbols refer to?  What are they called? (name and concept): _____________________________  Which is a parameter which is a statistic? _____________________________
10. What does this symbol refer to?  What is it called? (name and concept): _________________________________  When is it used (sample data or population data)? _______________________ d18f_sbs200_wa_deviation&sd.docx