dbsbhldkjlijdsadsnnj;knlsdfkn;lcs Flashcards
1
Q
how to find mean/ avg
A
add em all and divide by total #
2
Q
how to find mode
A
that appears the most
2
Q
how to find median
A
the middle #
3
Q
how to find range
A
biggest # - smallest #
4
Q
how to tell if typical or not
A
if z score is in-between -3 and 3 its typical
5
Q
steps for bell curve shaded to the left
A
1) find z score x-avg/ sdv
2) find probability
6
Q
how to find in-between two X’s bell curve
A
1) find z score x1-avg/ sdv and x2-avg/ sdv
2) find probability
3) 1 - probability
4) final # - final #
7
Q
steps for bell curve shaded to the right
A
1) find z score x-avg/ sdv
2) 1 - z score
3) find probability