HP Prime Graphing Wireless Calculator Manual do Utilizador Página 335

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Menu key Description
Opens a menu that enables you to select multiple cells to copy and paste.
Returns to the Numeric view.
Condence interval for slope
Menu name
Interval: Slope
This option calculates a condence interval for the slope of the true linear regression equation, based on a list
of explanatory data, a list of response data, and a condence level. After you enter your data in Numeric view
and tap
, enter the condence level in the prompt that appears.
Inputs
The Numeric view inputs are as follows:
Field name Description
Xlist The list of explanatory data
Ylist The list of response data
C The condence level (0 < C < 1)
Results
When is tapped, the results are as follows:
Results Description
C The input condence level
Crit. T The critical value of t
DF The degrees of freedom
β
1
The slope of the calculated regression line
serrSlope The standard error of the slope of the calculated regression line
Lower The lower bound of the condence interval for the slope
Upper The upper bound of the condence interval for the slope
Menu keys
The menu key options are as follows:
Inference for regression 287
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