HP Prime Graphing Wireless Calculator - Manual (Page 156)

152 Functions and commands
• 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
• std: the standard deviation
Example:
ConfZ1mean(0.461368, 50, 0.2887, 0.95, "")
ConfZ2mean The two-sample Normal confidence interval for the difference
of two means.
ConfZ2mean( , , n
1
, n
2
,s
1
,s
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:
ConfZ2mean(0.461368, 0.522851, 50, 50, 0.2887,
0.2887, 0.95, "")
ConfZ1prop The one-sample Normal confidence interval for a proportion.
ConfZ1prop(x,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
• Z: the critical Z-value
• zXl: the lower bound of the confidence interval
x 1 x 2