HSC 2007 QUESTION 25
D II)
if 150 students sat for test 2 , how many students would you expect to have scored less than 64?
mean = 58
std. deviation = 6.0
thanks in advanced :)
hey guys i want 90-92 , am i aiming to high and is it possible im on three band 6's .
PDHPE - 2/37
LEGAL 1/19
BUSINESS 1/22
GEN. MATHS 6/67
STD. ENG. 7/77
SCHOOL RANK - 200-220
you dont seriously know what the average means ?
ok .
the average = sum of scores divided by number of scores .
e.g say if you have 10 brain cells and a 2 yr old has 30 well you go :
10+30 = 40/2 = 20 therefore the average in 20 brain cells .
get it ?
ive suffered from one in an english assesment, it was closely related to exercise ( swimming cut from 7-8 times -15 hours to nothing causing anti-oxidant fucking with me i think?)