HP Prime Graphing Wireless Calculator Instrukcja Użytkownika Strona 454

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ConfZ2mean
The two-sample Normal condence interval for the dierence of two means. Returns a list containing (in
order):
The lower critical Z-value
The lower bound of the condence interval
The upper bound of the condence interval
ConfZ2mean(
1
,
2
,n
1
,n
2
1
2
,C)
Example:
ConfZ2mean(0.461368, 0.522851, 50, 50, 0.2887, 0.2887, 0.95) returns {-1.9599…,
-0.1746…, 0.0516…)}
ConfZ1prop
The one-sample Normal condence interval for a proportion. Returns a list containing (in order):
The lower critical Z-value
The lower bound of the condence interval
The upper bound of the condence interval
ConfZ1prop(x,n,C)
Example:
ConfZ1prop(21, 50, 0.95) returns {-1.9599…, 0.2831…, 0.5568…}
ConfZ2prop
The two-sample Normal condence interval for the dierence of two proportions. Returns a list containing (in
order):
The lower critical Z-value
The lower bound of the condence interval
The upper bound of the condence interval
ConfZ2prop(
1
,
2
,n
1
,n
2
,C)
Example:
ConfZ2prop(21, 26, 50, 50, 0.95) returns {-1.9599…, -0.2946…, 0.0946…)}
ConfT1mean
The one-sample Student’s T condence interval for a mean. Returns a list containing (in order):
The degrees of freedom
The lower bound of the condence interval
The upper bound of the condence interval
ConfT1mean( ,s,n,C)
Example:
406 Chapter 22 Functions and commands
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