Inference app 103
Open the
Statistics 1Var
app
1. Open the Statistics 1Var app and reset the current
settings.
I Select
Statistics 1Var
The Statistics app opens in the Numeric view.
Enter data 2. In the D1 column, enter the random numbers
produced by the calculator.
.529E
.295E
.952E .259E
.925E .592E
HINT
If the Decimal Mark setting in the Modes input form
(Smodes) is set to Comma, use o instead of
..
Calculate
statistics
3. Calculate statistics.
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.
4. Press to close the computed statistics window.
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