10-09-2018

Problem 1. Consider the following data. It represents the year of birth of 25 professors at a college.

• 1. Make a dot plot for the data.

  2. Draw a stem and leaf plot for the data.

  3. Find the cumulative frequencies and cumulative percentage frequencies.

  4. Draw an Ogive.

Problem 5. (Combinations) Count the outcomes.

• 1. Number of ways to pick two students from a class of 10.

  2. Number of combinations of picking 4 items from a group of 7.

  3. Number of ways to pick two cards from a standard deck of cards.

  4. Number of ways to pick two hearts from a standard deck of cards.

  5. (non trivial) Number of ways to pick two hearts and two spades from a standard deck of cards.