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Functions and commands 363
Example:
ConfT1mean(0.461368, 0.2776, 50, 0.95,
"")
ConfT2mean The two-sample Student’s T confidence interval for the
difference of two means.
ConfT2mean( , ,s
1
,s
2
,n
1
,n
2
,C,pooled,
[”configuration”])
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
• DF: the degrees of freedom
• T: the critical T-value
• tXl: the lower bound of the confidence interval
• tXh: the upper bound of the confidence interval
• tXm: the midpoint of the confidence interval
• std: the standard deviation
Example:
ConfT2mean(0.461368, 0.522851, 0.2776, 0.2943,
50, 50, 0, 0.95, "")
Statistics 1Var app functions
The Statistics 1Var app has three functions designed to work
together to calculate summary statistics based on one of the
statistical analyses (H1-H5) defined in the Symbolic view of
the Statistics 1Var app.
x
1
x
2