exp research stats fomula Flashcards
0
Q
mean for sample
A
.
1
Q
mean for population
A
.
2
Q
variance for population
A
.
3
Q
variance for sample
A
.
4
Q
standard deviation for population
A
.
5
Q
standard deviation for sample
A
.
6
Q
SEM
A
.
7
Q
z-score
A
.
8
Q
t-statistic
A
.
9
Q
Standard error
A
.
10
Q
chi-square
A
.
11
Q
how to calculate expected for chi-square
A
.
12
Q
confidence interval
A
.
13
Q
95% confidence interval
A
.
14
Q
what does S^2 stand for?
A
the sample variance
15
Q
what does S stand for?
A
sample standard deviation
16
Q
what does SE stand for?
A
standard error
*write formula
17
Q
what does X^2 stand for?
A
chi-squared
18
Q
what is the 95% confidence interval in z-score?
A
1.96
19
Q
what must the P-value be below for 95% confidence interval in order to reject the null?
A
P < 0.05
20
Q
what must the P-value be below for 99% confidence interval in order to reject the null?
A
P < 0.01
21
Q
degrees of freedom?
A
df = n - 1
