HP Prime Graphing Calculator - Manual (Page 368)

362 Functions and commands
• 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