Stats Review 2: Analyzing Data

Find the median:
3, 5, 7, 4, 3, 1

• 3 and 4
• There isn't one
• 3.5
• 3

Find the range of the data.

63, 71, 65, 66, 87, 53

• 32

• 33

• 34

• 35

What is the first step to take when attempting to find IQR?

• Find the lower and upper quartile.

• Find the median.

• Put the list of numbers in order.

• Subtract the lower and upper quartile.

What is the interquartile range (IQR)?

• 4
• 64
• 60
• 8

What is the shape of the distribution?

• Skewed Left 
• Skewed Right
• Symmetric
• Bimodal

Which of the following best describes the shape of the distribution?

• SKEWED LEFT
• SKEWED RIGHT
• UNIFORM 
• SYMMETRICAL

Which of the following best describes the shape of the distribution?

• SKEWED LEFT
• SKEWED RIGHT
• UNIFORM
• SYMMETRICAL

The data set below has an outlier of 42.
2, 5, 12, 15, 19, 4, 6, 11, 16, 18, 12, 12, 42
What effect does removing the outlier have on the distribution of the data?

• The mean will decrease
• The median will decrease
• The mean will increase
• The median will increase

Find the Median?

• 95

• 97.2

• 96.8

• 98

What is the range?

• 97.2

• 4

• 3.3

• 3.2