Enter data, Calculate statistics open inference aplet, H i n t – HP 39g Graphing Calculator User Manual
Page 122
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Enter data
H I N T
2. In the C1 column, enter the random numbers produced
by the calculator.
□ 529 fENTEFI
□ 295 I
ENTER
I
□ 952 [B^fERl
□ 259 I
enter
!
□
925
(ENTER
I
□ 592 I
ENTER
I
If the Decimal Mark setting in the Modes input form
(|SHIET|MOPEy) is set to Comma, use □ instead of □■
n
Ci
C2
C3
C4
? .ms
H
.HSS
H .25*1
«i
.<125
EaamBiBBUiaimMa
3. If necessary, select 1-variable statistics. Do this by
pressing the fifth menu key until Hi'fflig is displayed as
its menu label.
Calculate
statistics
Open
Inference aplet
Calculate statistics.
1-VAR
HI
TDTI
MEiiNZ
pyftfti
SVflFlZ
PSDEV
.5<12
.073525
.0BB711E
.271B53H
6
_________________________
The mean of 0.592 seems
a little large compared to the expected value of 0.5. To
see if the difference is statistically significant, we will use
the statistics computed here to construct a confidence
interval for the true mean of the population of random
numbers and see whether or not this interval contains 0,5.
5. Press S3 to close the computed statistics window.
6
. Open the Inference aplet and clear current settings.
I
APLET
I Select
Inference
HTimi
INF STfIT iVMeUUC VIEWl
NETHOD:
TVPE; Z-Test: 1 u
HLT HVFOTH: n<|j.0
on Xnfgrgntiqi. Hcthod
9-6
Inference aplet