HP 39gII User Manual page 301

s2
σ1
σ2
x1
x2
Programming
Or, in a program, type:
n
s1
For a test or interval involving the difference of two means
or two proportions, sets the sample standard deviation of
the second sample. From the Numeric view, set the value
of s2.
Or, in a program, type:
n
s2
Sets the population standard deviation for a hypothesis
test or confidence interval. For a test or interval involving
the difference of two means or two proportions, sets the
population standard deviation of the first sample. From
the Numeric view, set the value of
Or, in a program, type:
σ
n
1
For a test or interval involving the difference of two means
or two proportions, sets the population standard
deviation of the second sample. From the Numeric view,
set the value of σ
2.
Or, in a program, type:
σ
n
2
Sets the number of successes for a one-proportion
hypothesis test or confidence interval. For a test or interval
involving the difference of two proportions, sets the
number of successes of the first sample. From the Numeric
view, set the value of x1.
Or, in a program, type:
n
x1
For a test or interval involving the difference of two
proportions, sets the number of successes of the second
sample. From the Numeric view, set the value of x2.
Or, in a program, type:
n
x2
σ
1.
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