| MA 117 Probability and Statistics Math - Block 4 - 2001 |
| Reading in preparation for Monday, Week Three: |
| Chapter Twenty Three | |
| Read through section 1 starting on page 409. |
1. Read through example 1 and notice the histogram for the sum of the draws at the top of figure 1. Check that the calculated SE (for the sum) captures about 68% of the samples within one SE of the EV (for the sum). Notice the similarity of the second histogram, which is just a change of scale to show the average. 2. Do example 1 in set A |
| Read section 2, which begins on p. 415 | 3. In the example 3 on page 417, why is the sample average of 11.6 not the sample average? |
| Read through sections 3 and 4. | 4. Make an example situation for each of the four standard errors mentioned on p. 422. |