Lecture 6: Central Tendency: Mean, Median, Mode
1. What does central tendency mean?
2. Calculating the Mean:

3. Locating the Median.
If N is odd, case number (N+1)/2.
If N is even, midpoint between case numer N/2 and (N/2) +1.
4. Median, Quartiles, Deciles, and Percentiles.
5. The Mode.
6. Central Tendency and Stata