20.109(S15):Data analysis (Day7): Difference between revisions

Revision as of 14:28, 29 January 2015

20.109(S15): Laboratory Fundamentals of Biological Engineering

Home People Schedule Spring 2015 Assignments Lab Basics OWW Basics
DNA Engineering System Engineering Biomaterials Engineering

You may find averages, standard deviations, and t-tests useful when you report on class results. You will also revisit these topics during Module 3.

You can practice the steps below using the male and female heights that we collect during pre-lab lecture.

Begin by downloading the following Excel file as a framework to carry out the basic statistical manipulations we discussed in pre-lab lecture. The file is modified from one originally written by Professor Bevin Engelward.
Find and plot 95% confidence intervals for the male and female heights.
Compare the means of these two populations. At what confidence level (if any) are they different?
- Would a one-tailed or two-tailed test be more appropriate for this comparison?

@@ Line 13: / Line 13: @@
 You can practice the steps below using the male and female heights that we collect during pre-lab lecture.
-#Begin by downloading the following [[Media: S09_20109_M2D5-Stats.xls | Excel file]] as a framework to carry out the basic statistical manipulations we discussed in pre-lab lecture. The file is modified from one originally written by [http://web.mit.edu/be/people/engelward.htm Professor Bevin Engelward].
+#Begin by downloading the following [[Media: S09_20109_M2D5-Stats.xls | Excel file]] as a framework to carry out the basic statistical manipulations we discussed in pre-lab lecture. The file is modified from one originally written by [http://be.mit.edu/directory/bevin-p-engelward Professor Bevin Engelward].
 #Find and plot 95% confidence intervals for the male and female heights.
 #Compare the means of these two populations. At what confidence level (if any) are they different?