What is the first quartile of 12, 33, 15, 22, 29, 11, 17, 19, 16, 24, 38?
2 Answers
Explanation:
If you have a TI-84 calculator in hand:
You can follow these steps:
First put the numbers in order.
Then you press the stat button.
Then
After this press the stat button again and go to
and hit
Then scroll down until you see
That value is your answer :)
Explanation:
"arrange the data set in ascending order"arrange the data set in ascending order
11color(white)(x)12color(white)(x)color(magenta)(15)color(white)(x)16color(white)(x)17color(white)(x)color(red)(19)color(white)(x)22color(white)(x)24color(white)(x)29color(white)(x)33color(white)(x)3811x12x15x16x17x19x22x24x29x33x38
"the median "color(red)(Q_2)" is the middle value of the"the median Q2 is the middle value of the
"data set in ascending order"data set in ascending order
rArrcolor(red)(Q_2)=19⇒Q2=19
"the lower quartile "color(magenta)(Q_1)" is the middle value of the"the lower quartile Q1 is the middle value of the
"data set to the left of the median"data set to the left of the median
rArrcolor(magenta)(Q_1)=15⇒Q1=15