Question

Which data set contains an outlier?

{6.1, 6.7, 7.4, 7.9, 8.5}

{4, 6, 7, 7, 9, 12, 40}

{2, 2, 3, 3, 4, 4, 5}

{12, 16, 18, 21, 23, 26}

Answer 1

It’s the second one {4, 6, 7, 7, 9, 12, 40}