Hp Prime Graphing Wireless Calculator Manual de usuario Pagina 157

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Functions and commands 153
zXh: the upper bound of the confidence interval
zXm: the midpoint of the confidence interval
std: the standard deviation
Example:
ConfZ1prop(21, 50, 0.95, "")
ConfZ2prop The two-sample Normal confidence interval for the difference
of two proportions.
ConfZ2prop(x
1
,x
2
,n
1
,n
2
,C,[”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
Z: the critical Z-value
zXl: the lower bound of the confidence interval
zXh: the upper bound of the confidence interval
zXm: the midpoint of the confidence interval
std: the standard deviation
Example:
ConfZ2prop(21, 26, 50, 50, 0.95, "")
ConfT1mean The one-sample Student’s T confidence interval for a mean.
ConfT1mean( ,s,n,C,[”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
std: the standard deviation
x
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