Review Data Analysis

Interquartile Range is

• the difference between the third quartile and the first quartile

• the difference between the greatest and least data values.

Which grade is the outlier?

What is the median of this data set?

• 8

• 12

• 15

• 19

What is the lower extreme and upper extreme of this data set?

• 6 and 8

• 6 and 19

• 8 and 15

• 15 and 19

What is the range of this data set?

• 6

• 12

• 13

• 19

Which is NOT ture?

• The spreads of the low temperatures for Reybold and Picktown are not the same

• Neither box plot is symmetrical

• The median low temeratures for Reybold and Picktown are different

• The lower extreme for Picktown is approximately 5 degrees lower than the lower extreme for Reybold

What is the difference in the means?

• 0

• 0.25

• 0.5

• 0.75

• 1

Which has a greater spread?

• Zach

• Steven

• They have the same IQR

In all Miss Collins sampled 45 females about what their favorite sport to watch is. If their are 900 females in the school, predict how many females would choose basketball as their favorite sport to watch.

What is the median test grade?