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360 Functions and commands
HypT2mean The two-sample T-test for the difference of two means.
HypT2mean((x
1
,x
2
,s
1
,s
2
n
1
,n
2
,pooled,mode,
[”configuration”])
Pooled: Specifies whether or not the samples are pooled
• 0: not pooled
• 1: pooled
Mode: Specifies which alternative hypothesis to use:
• 1:
1
<
2
• 2:
1
>
2
• 3:
1
≠
2
Configuration: a string that controls what results are shown
and the order in which they appear. An empty string ""
displays the default: all results, including headers. The options
in the configuration string are separated by spaces.
• h: header cells will be created
• acc: the test result, 0 or 1 to reject or fail to reject the null
hypothesis
• tT: the test T-value
• tM: the input Δ value
• prob: the lower-tail probability
• cT: the critical T-value associated with the input α-level
• cx1: the lower critical value of Δ associated with the
critical T-value
• cx2: the upper critical value of Δ associated with the
critical T-value
Example:
HypT2mean(0.461368, 0.522851, 0.2776,
0.2943,50, 50, 0, 0.05, 1, "")
ConfZ1mean The one-sample Normal confidence interval for a mean.
ConfZ1mean( ,n,s
,
C,[”configuration”])
Configuration is a string that controls what results are shown
and the order in which they appear. An empty string ""
displays the default: all results, including headers. The options
in the configuration string are separated by spaces.
x
x
x
x