Statistics - Analysing Data

What is the mode of the data?

• 1 book
• 9 books
• 3 books
• 0 books

What is the median?

• 62
• 58
• 66
• 60

Are there any unusual features?

• Yes, there are two clusters of data

• No, the data looks normal

• Yes, it is a unimodal shape

• Yes, you have to have one data point on every number

What is a the meaning for "median"?

• fair share
• middle
• repeats the most
• variation

How do you find the median?

• order from smallest to largest, count how many data points, then half it to find the middle point.

• add the numbers in your data set, then divide by the amount you added

• look for the number that repeats the most

• highest number minus the lowest number

What is the maximum value?

• 58
• 66
• 64
• 60

What is the minimum value?

• 64
• 58
• 66
• 61

What is the RANGE of this data (max-min=range)?

• 20

• 90

• 70

• 80

Compare the shape of these dot plots

• Both are unimodal and skewed to the right

• Both are unimodal but SUV's are skewed to the right while Cars are skewed to the left.

• SUV's are symmetrical and unimodal while Cars are Bimodal and skewed to the left.

• Both datasets are identical.

What data value is the upper quartile?

• 64

• 62

• 66

• 58