Finding Statistical Questions

What is the shape of this dot plot?

• Symmetrical

• Skewed Right

• Skewed left

What is the shape of this dot plot?

• Symmetrical

• Skewed left

• Skewed right

What is the shape of this dot plot?

• Symmetrical

• Skewed right

• Skewed left

What is the spread, or range, of the test scores?

• 15

• 100

• 6

• 10

The range, or spread, is found by finding the _______________ number and subtracting the ________________ number.

• smallest, biggest

• even, odd

• biggest, smallest

• middle, first

What does the mean do?

• It summarizes a data set

• It says how a data set varies

• It gives variance in the data set

• It tells the biggest point in a data set

What quantitative measures describe the variation in a data set?

• Mean

• Median

• Range

• Interquartile Range

Which interval has the greatest number of students?

• 48-51

• 56-59

• 60-63

• 64-67

How many students are between 48 and 51 inches tall?

• 14

• 8

• 2

• 0

What is the minimum value?

• 64

• 58

• 66

• 60