• what is/are statistics 
• when r = 0 there is no correlation between the 2 variables 
• r=.9 positive strong correlation 
• 9=-.9 strong negative correlation 
• positive and negative correlation 
• coincidence, a common underlying cause or a direct cause 
• what is a best fit or regression line 
• it is useful to make future predictions 
• what is the difference between finding the difference between two variables and establishing causality between two variables 
• finding correlation is saying there is showing a relationship but it doesnt say that one thing happen because of the other 
• statistically significant 
• probability 
• make a probability distrubution 
• what kind of sampling method was used 
• does it represent sample statistics or population parameter 
• is it qualitative or quantitative data 
• the difference between accurate and percise 
• how to crate a vertical bard, dot plot and pie chart 
• expected value 
• 68-95-99.7 rule 
• calculate standard deviation 
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