You will have data on three variables - age, gender, and weight loss.

1. Age is defined as the person' s age in years at the beginning of the study.
2. Gender is based on the subject's self report and is classified as either male or female.
3. Weight loss is defined as the difference, in whole pounds, between the subject's weight, in normal exercise clothes, measured on the first day of the exercise program and the last day.

Each student has his/her own unique data set.

1. The password for your data file is listed in the Gradebook. Find the Data File item and note the three digit number beside it.
2. To continue, enter your password in the box below. The number "001" is entered "001", and not as "1". This will take you to your data and statistical results file. You will use these results to answer the questions below in Parts 2 and 3.

Note -

1. You may return to your data set at any time during the course, but you may want to print it out for easy reference.
2. In your data analysis, one of the entries is "t stat". This is the same as t-value or t-statistic.
3. To understand what the data analysis information means -