Describing Quantitative Data

What is the minimum value?

• 64

• 58

• 66

• 60

Find the range and the outlier of the given data:
126, 62, 144, 132, 144, 103

• range: 82   out:62

• range: 62  out:62

• range:82  out:144

Which city has a minimum value that is lower?

• Millersburg

• Arcandia

Which of the following is a measure of variability?

• mean

• median

• mode

• standard deviation

If the standard deviation of a data set is 4, what is the variance?

• 2

• 16

• 4

Ervin bowled 7 games last weekend. His scores are: 155, 165, 138, 172, 127, 193, 142. What is the sample standard deviation of Ervin's scores?

• 511.33

• 22.61

• 438.48

• 20.94

Which data set has the largest standard deviation?

• Set 1

• Set 2

• Set 3

• Set 4

In a population of five university students with GPAs of 2.5, 2.3, 1.7, 1.4, and 1.1, a sample of three students are considered. What would be the standard deviation of the resulting sampling distribution?

• 0.53

• 0.41

• 0.35

• 0.22

Choose the best description.

• The average wind speed in unimodal and skewed to the right with data ranging from 0 to 7 mph with a gap around 6 mph.

• The average wind speed in unimodal and skewed to the left with data ranging from 0 to 7 mph with a gap around 6 mph.

• The average wind speed in bimodal and skewed to the right with data ranging from 0 to 7 mph with a gap around 6 mph.

• The average wind speed in bimodal and symmetric with data ranging from 0 to 7 mph with a gap around 6 mph.

Choose the best description.

• The number of campsites at the parks is bimodal around 0 and 100; and is skewed to the left. The number of campsites range from 0 to about 200 with several outliers at approximately 280, 400, and 480.

• The number of campsites at the parks is unimodal around 0 and skewed to the right. The number of campsites range from 0 to about 160 with several outliers at approximately 280, 400, and 480.

• The number of campsites at the parks is unimodal around 0 and symmetric. The number of campsites range from 0 to about 160 with several outliers at approximately 280, 400, and 480.

• The number of campsites at the parks is unimodal around 0 and skewed to the right. The number of campsites range from 0 to about 500 campsites.