Practice Quizzes

Practice Quizzes#

Week 1 - Ballpark estimates#

There are three practice quizzes below, each with three questions. The prompt is the same for all three of them:

Ballpark estimates: For each of the quantities below, come up with a ballpark estimate. Be sure to explain your reasoning and show your work—you will be graded on how you broke up the problem and whether your reasoning made sense, rather than the accuracy of your estimate.

Practice Quiz #1#

  1. How many cups of coffee are consumed on Stanford campus on an average Monday?

  2. How many hours of human labor are spent on hair styling in the US in a year?

  3. How many dice would it take to fill the STATS 60 classroom (room 200-02)?

Practice Quiz #2#

  1. How many Honda Civics could you park on the quad (assuming that none of them are touching)?

  2. How many hours of human labor are spent each year on correcting typos?

  3. How many people in the U.S. have the letter “a” in their first name?

Practice Quiz 3#

  1. How many gallons of milk are consumed in the Bay Area each year?

  2. How long would it take you to empty the fountain in white plaza using only a teaspoon?

  3. How many textbooks are bought by Stanford students each year?

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