Question

Using R, answer the following question. The accompanying data set contains quiz scores for 12 students...

  1. Using R, answer the following question. The accompanying data set contains quiz scores for 12 students in a chemistry class: 18, 15, 5, 8, 15, 20, 2, 16, 10, 12, 20, 15.
    1. Find a measure of central tendency that separates the data into two groups such that each group consists of 50% of the scores above and 50% of the scores below that measure.
    2. Find a measure of central tendency that represents the average of the 12 quiz scores.
    3. Find the standard deviation and variance for this dataset.

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