Hp 39g Graphing Calculator Instrukcja Użytkownika Strona 122

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Enter data
HINT
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
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