Hint sheet.docx - Study Guide What are z-scores Hint standardized scores o What does that mean The mean is zero and o Z-scores and percentiles of

# Hint sheet.docx - Study Guide What are z-scores Hint...

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Study Guide: What are z-scores? Hint: standardized scores o What does that mean? The mean is zero and………. o Z-scores and percentiles of confidence: What are the z-scores for different levels of confidence? 95%? 90%? o T vs Z vs F? What is the purpose of Access? Meaning….doesn’t it connect tables? Can you take one value from one table and use it in another table ( for a calculation let’s say) yes. o What about the query wizard? How does that help us? o Relational databases: What are they? What can we do with them? o Rows/Columns o Entity relationship diagrams---know what they are. Excel: o Pivot tables! What do we use them for? What can they do? o Explicit and categorical values are pretty important. o V vs H look up What do these charts represent? o Histograms (meaning—what kind of data does it best represent? Think of the x and y axes. What are we trying to show? A relationship between ranges and…..what?

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