In this study, it is desired to perform a t-test between group 0 and group 1 with an alpha of 0.05 and a power level of

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In this study, it is desired to perform a t-test between
group 0 and group 1 with an alpha of 0.05 and a power level of
80%.
Table XI.1
Means and variances in a laboratory research study with two
groups.
WBC, RBC, AND HGB GROUP AND CONTROL
T-test of independent samples
T-test of independent samples
t
Gl
p
WBC
-0.945
137
0.346
RBC
-2.068
137
0.041
HGB
-2.604
137
0.010
Note. Student t-test.
Descriptive
Descriptive of the group
Group
N
Stocking
OF
USA
WBC
0
70
7.531
3.404
0.407
1
69
8.162
4.412
0.531
RBC
0
70
4.723
0.713
0.085
1
69
4.968
0.684
0.082
HGB
0
70
13.167
1.877
0.224
1
69
13.952
1.669
0.201