Generating...                               quiz01a_n9

The data below shows commuting times (in minutes) from a random sample of 32 employees who work at a company.

x = c(37,29,52,33,45,37,26,47,47,48,46,55,45,38,41,32,50,28,24,34,42,35,41,47,38,39,38,42,30,38,39,34)

Data set, ctime.csv, can be downloaded.

  1. Find the first quartile.

    33 35 34

  2. Find the sample median.

    37.5 39.28 38.5

  3. Find the third quartile.

    $\displaystyle {{89}\over{2}}$ $\displaystyle {{181}\over{4}}$ $\displaystyle {{93}\over{2}}$

  4. Are there outliers?

    Yes No

  5. Find the IQR.

    $\displaystyle {{77}\over{2}}$ $\displaystyle {{27}\over{4}}$ $\displaystyle {{9}\over{2}}$ $\displaystyle {{45}\over{4}}$


Department of Mathematics
Last modified: 2025-06-01