Texas Instruments TI-84 PLUS - Graphing Calculator Manual Book page 226

1. Select a hypothesis test or confidence interval from the
editor is displayed.
2. Select or
Data Stats
3. Enter real numbers, list names, or expressions for each argument in the editor.
4. Select the alternative hypothesis (Ā,
5. Select or for the
No Yes
6. Select or
Calculate
• When you select
• When you select
This chapter describes the selections in the above steps for each hypothesis test and confidence
interval instruction.
Select Data or
Stats input
Enter values
for arguments
Selecting Data or Stats
Most inferential stat editors prompt you to select one of two types of input. (
,
2-PropZTest 1-PropZInt
• Select to enter the data lists as input.
Data
• Select to enter summary statistics, such as v,
Stats
To select or , move the cursor to either
Data Stats
Entering the Values for Arguments
Inferential stat editors require a value for every argument. If you do not know what a particular
argument symbol represents, see the
When you enter values in any inferential stat editor, the TI-84 Plus stores them in memory so that
you can run many tests or intervals without having to reenter every value.
Selecting an Alternative Hypothesis (ă < >)
Most of the inferential stat editors for the hypothesis tests prompt you to select one of three
alternative hypotheses.
• The first is a ƒ alternative hypothesis, such as mƒm0 for the
• The second is a
<
input, if the selection is available. The appropriate editor is displayed.
, or
<
option, if the selection is available.
Pooled
(when is available) to execute the instruction.
Draw Draw
, the results are displayed on the home screen.
Calculate
, the results are displayed in a graph.
Draw
2
and , c
2-PropZInt -Test
Inferential Statistics Input Descriptions
alternative hypothesis, such as m1<m2 for the
Chapter 13: Inferential Statistics and Distributions
STAT TESTS
) against which to test, if the selection is available.
>
Select an
alternative
hypothesis
Select
Calculate or
Draw output
2
, c ,
GOF-Test LinRegTInt
, and , as input.
Sx n
, and then press Í.
or
Data Stats
Z-Test
2-SampTTest
menu. The appropriate
and
1-PropZInt
, and do not.)
LinRegTTest
tables.
.
.
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