Question

1. Identify the variance and the standard deviation of the given data set. Round to the nearest hundredth.

{56, 57, 34, 50, 40, 61, 50, 39}

2. Identify the variance and the standard deviation of the given data set. Round to the nearest hundredth.
{14, 11, 5, 21, 12, 4, 22, 2, 12, 13}

3. Identify the variance and the standard deviation of the given data set. Round to the nearest hundredth.
{45, 46, 52, 56, 44, 32, 30, 60}

4. Use the standard deviation to identify any outliers in the given data set.
{31, 29, 45, 32, 28, 50, 16, 40}

5. Use the standard deviation to identify any outliers in the given data set.
{1, 62, 3, 2, 2, 1, 4, 1, 2, 1, 3, 1}

Answer 1

1). Variance: 82.73
standard deviation: 9:10
2).variance: 39.84
standard deviation: 6.31
3). variance: 98.48
standard deviation: 9.92
4). none
5)62