
●
T: the critical T-value
●
tXl: the lower bound of the condence interval
●
tXh: the upper bound of the condence interval
●
std: the standard deviation
Example:
ConfT1mean(0.461368, 0.2776, 50, 0.95, "")
ConfT2mean
The two-sample Student’s T condence interval for the dierence of two means.
ConfT2mean (
1
,
2
,n
1
,n
2
,s
1
,s
2
,C,pooled,[”configuration”]
Conguration: 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 conguration 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 condence interval
●
tXh: the upper bound of the condence interval
●
tXm: the midpoint of the condence 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) dened in the Symbolic view of the Statistics 1Var app.
Do1VStats
Do1-variable statistics. Performs the same calculations as tapping in the Numeric view of the
Statistics 1Var app and stores the results in the appropriate Statistics 1Var app results variables. Hn must be
one of the Statistics 1Var app Symbolic view variables H1-H5.
Do1VStats(Hn)
Example:
Do1VStats(H1) executes summary statistics for the currently dened H1 analysis.
SetFreq
Set frequency. Sets the frequency for one of the statistical analyses (H1-H5) dened in the Symbolic view of
the Statistics 1Var app. The frequency can be either one of the columns
D0-D9, or any positive integer. Hn
400 Chapter 22 Functions and commands
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