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Finding the uncertainty in the slope of a graph

First, read this description of finding the uncertainty in the slope of a line drawn through measurements:

Now, you try: here are some measurements of the cost to raise children. Note that the first child is the most expensive; subsequent kids can wear hand-me-down clothing, play with old toys, and so forth. 

   Family       Number of children     Total cost (dollars)
  ---------------------------------------------------------
    Smith              3                   175,000
    Jones              2                   155,000
    Burbidge           7                   270,000
    Banner             3                   177,000
    Parker             5                   249,000
    Logan              4                   215,000
    Richards           4                   208,000
    Xavier             9                   352,000
Can you figure out the following?
  1. the average cost of adding one more child to a family
  2. the uncertainty in your estimate of this additional cost
  3. the average fixed cost of raising a single child
  4. the uncertainty in your estimate of this fixed cost
Sorry, we could not find this page | RIT CIS - Center for Imaging Science

Sorry, we could not find this page

We apologize, but the page you were looking for is not available. Most of our material is available from the menus above.

Last Modified: 2:01pm 10 Aug 11


Adapted from Prof. Michael Richmond.