HP Prime Graphing Wireless Calculator User Manual
Page 164

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Functions and commands
Mode: Specifies which alternative hypothesis to use:
•
1: μ < μ
0
•
2: μ > μ
0
•
3: μ ≠ μ
0
Example:
HypT1mean(0.461368, 0.2776, 50, 0.5, 0.05, 1)
returns
{1, -.9462…, 0.4614, 0.8277…, 1.6448…,
0.5671…}
HypT2mean
The two-sample T-test for means. Returns a list containing (in
order):
•
0 or 1 to reject or fail to reject the null hypothesis
•
The test T-value
•
The test Δ value
•
The upper-tail probability
•
The degrees of freedom
•
The upper critical T-value associated with the input α-level
•
The critical value of Δ associated with the critical T-
value
HypT2mean((x
1
,x
2
,s
1
,s
2
, n
1
,n
2
, α,pooled,mode)
Pooled: Specifies whether or not the samples are pooled
•
0: not pooled
•
1: pooled
Mode: Specifies which alternative hypothesis to use:
•
1: μ
1
< μ
2
•
2: μ
1
> μ
2
•
3: μ
1
≠ μ
2
Example:
HypT2mean(0.461368, 0.522851, 0.2776,
0.2943,50, 50, 0.05, 0, 1)
returns
{1, -1.0746…,
-0.0614…, 0.8574…, 97.6674…, 1.6606…, 0.0335…}
x
x