HP (Hewlett-Packard) NW280AAABA Calculator User Manual


 
356 Functions and commands
HypZ1mean The one-sample Z-test for a mean.
HypZ1mean( ,n,
0
,,,mode, [”configuration”])
The input parameters can be a range reference, a list of cell
references, or a simple list of values.
Mode: Specifies which alternative hypothesis to use:
1: <
0
2: >
0
3:
0
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
acc: the test result, 0 or 1 to reject or fail to reject the null
hypothesis
tZ: the test Z-value
tM: the input value
prob: the lower-tail probability
cZ: the critical Z-value associated with the input α-level
cx1: the lower critical value of the mean associated with
the critical Z-value
cx2: the upper critical value of the mean associated with
the critical Z-value
std: the standard deviation
Example:
HypZ1mean(0.461368, 50, 0.5, 0.2887, 0.05, 1,
"")
HYPZ2mean The two-sample Z-test for the difference of two means.
HypZ2mean( , ,n
1
,n
2
,
1
,
2
,,mode,
[”configuration”])
x
x
x
1
x
2