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3. If you could use any reference materials or software, indicate your level of confidence in your ability to complete each of the following tasks.  Completely confident  Somewhat confident  Not very confident  Could not do it 

a. Explain the method of least squares to a nonstatistician.  
b. Merge two large data sets (1000 observations) and check for errors in the programming or in the original data.  
c. Estimate treatment means and standard errors for a randomized complete block design.  
d. Design a randomized complete block experiment.  
e. Design and implement a stratified random sample.  
f. Analyze results of a survey from a stratified random sample.  
g. Learn about a new statistical procedure that was not covered in any of your courses.  
h. Explain the method of maximum likelihood estimation to a nonstatistician. 
Completely confident  Somewhat confident  Not very confident  Could not do it 


i. Using computer software, create a scatter plot of one variable against another variable with informative labels on each axis, a title and an appropriate legend.  
j. Compute predicted values and standard errors for a quadratic regression model.  
k. Explain the concept of a standard error of a regression coefficient.  
l. Explain the concept of a confidence interval.  
m. Write expressions for the expectation and variance of a random variable, given its probability density function or probability mass function.  
n. Derive the maximum likelihood estimator of p, the probability of a success, in a binomial experiment.  
o. Write a technical report or memo to a business person (e.g., colleague, supervisor, client) presenting the results of a statistical analysis you have completed.  
p. Prepare and deliver a short (1530 minute) presentation of a statistical analysis you have done, including creating visual aids (e.g., slides, poster, graphics).  
q. Conduct a multiple regression analysis and interpret the results. 
4. Which of the following statements best describes how well you think your grades generally match your expectations? 

5. And which of the following statements best describes how well you think your grades generally match your ability? 

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