mean,median,mode
what is mode ?
the mode is vaule that appears the mode. you can have have more than one mode
The data set below shows the average cost of a whole chicken over several years.
$1.02, $1.08, $1.04, $1.06, $1.14, $1.24, $1.20, $1.31, $1.30, $1.51
Q1 = $1.06, Med = $1.17, Q3 = $1.30
x2 - 9
(x+3) (x-3)
what would represent the x-axis?
seconds
(x+4)(x-3)
what is mean ?
mean is the average or norm and add of the vaules to find a total.
60, 72, 78, 60, 82, 80, 82, 80
Two students were absent and had to take the test at a later date. They scored 86 and 90. Which statement shows the change once these scores are added?
The median increases by 4
x2+ 13x + 22
(x+11)(x+2)
what is maximum ?
high point
2x(x+4)=0
x=0 or -4
what is median ?
median is the middle vaule and put all of vaules into order .
what is a outlier ?
a data point that lies outside the overall pattern.
x2 + 4x - 21
(x+7) (x-3)
what is minimum ?
low point
(3y-5)(2y+7) = 0
y=5/3
what is range ?
range is the difference between the lowest and highest value .
that above five vaules are called the
5 number summary
x2 - 6x - 16
(x-13)(x-2)
what is zero ?
zero gets thrown out for being too negative .
d(d-5)
d=0 or 5