Statistics and Uncertainty Short Test on Tuesday 9/24

What will be on this short test?  Use your class worksheets to review.

• Calculating average, standard deviation, and t-test using a TI-84 or equivalent calculator.  Thus, you need to bring one of these calculators and know how to use it to get the above information.
• Be able to explain the meaning and ranges for standard deviation.
• Interpretation of meaning of t-test (you will be given chart of Critical Values)
• Estimation of total number of organisms in a grid given information about numbers in a number of quadrats (like what you did in brine shrimp lab).  Show your work!
• Significant Figures:  counting them and computing with them.  Remember that the rules differ for multiplying/dividing and adding/subtracting!
• Be able to calculate the mean and uncertainty given a set of data.
• Adding/Subtracting and Multiplying/Dividing with uncertainty