Find the mean

1. Find the mean of the following data sets.

  a. {6, 2, 7, 4, 3, 3, 3, 9, 8, 2, 0, 1, 7, 3, 1, 8, 5, 4}

  b. {1.25, 8.38, 4.22, 9.17, 4.25, 3.86, 4.10, 4.11, 4.19}

2. Find the mode of each data set.

  a. {12, 6, 1, 9, 3, 13, 7, 3, 4, 9, 8, 15, 13, 1, 0, 9, 3, 2}

  b. {1, 5, 2, 6, 7, 3, 2, 4, 1, 5, 6, 7, 7}

3. Find the median for each set.

  a. {1, 7, 3, 9, 4, 5, 6, 3, 4, 2, 9, 6, 7, 0, 8, 7, 3, 6, 8, 1, 5, 3}

  b. {1.03, 7.43, 4.99, 5.01, 4.32, 5.66, 3.05, 8.72, 1.23}