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279
The following shows the meaning of parameter data specification items that are
different from list data specification.
o1 .................... sample 1 mean
n1 .................... sample 1 size (positive integer)
o2 .................... sample 2 mean
n2 .................... sample 2 size (positive integer)
Example To perform a 2-Sample Z Test when two lists of data are input
For this example, we will perform a
µ
1 <
µ
2 test for the data
List1 = {11.2, 10.9, 12.5, 11.3, 11.7} and List2 = {0.84, 0.9, 0.14,
–0.75, –0.95}, when
σ
1 = 15.5 and
σ
2 = 13.5.
1(List)c
2(<)c
bf.fw
bd.fw
1(List1)c2(List2)c
1(1)c1(1)c
1(CALC)
µ
1<
µ
2 ............... direction of test
z ......................Z score
p ..................... p-value
o1 .................... sample 1 mean
o2 .................... sample 2 mean
x1
σ
n-1 ............... sample 1 standard deviation
x2
σ
n-1 ............... sample 2 standard deviation
n1 .................... sample 1 size
n2 .................... sample 2 size
Perform the following key operation to display a graph.
J
cccccccc
6(DRAW)
Tests 18 - 6
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