Box and Whisker Plot

What is the least value?

• 51

• 53

• 55

• 57

What is the value of Q1?

• 65

• 55

• 56

• 66

What is the value of the median, or Q2?

• 74

• 76

• 78

• 80

What is the value of Q3?

• 88

• 90

• 92

• 94

What is the greatest value?

• 95

• 100

• 97

• 93

Is the data more spead out below the first quartile or above the third quartile?

• below the first quartile

• above the third quartile

Quartile 1 is...

• the median of the lower half

• the median of the data

• the median of the upper half

Quartile 2 is...

• the median of the lower half

• the median of the data

• the median of the upper half

Quartile 3 is...

• the median of the lower half

• the median of the data

• the median of the upper half

Which box and whisker plot shows more variability (the numbers are more spread out) hint: look at the range and IQR

• Bookstore A prices

• Bookstore B prices

• the variability is about the same