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Confidence interval for slope – HP Prime Graphing Wireless Calculator User Manual

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Inference app

Menu keys

The menu key options are as follows:

Confidence interval for slope

Menu name

Interval: Slope

This option calculates a confidence interval for the slope
of the true linear regression equation, based on a list of
explanatory data, a list of response data, and a
confidence level. After you enter your data in Numeric
view and tap

, enter the confidence level in the

prompt that appears.

β

0

The intercept of the calculated regres-

sion line

β

1

The slope of the calculated regression

line

serrLine

The standard error of the calculated

regression line

serrSlope

The standard error of the slope of the

calculated regression line

serrInter

The standard error of the intercept of the

calculated regression line

r

The correlation coefficient of the data

R

2

The coefficient of determination of the

data

Field

name

Definition

Menu

key

Definition

Selects a small, medium, or large font.
Returns to the Numeric view.