Hp Prime Graphing Wireless Calculator Manual do Utilizador descarregar pdf (Página 168)

164 Functions and commands

LinRegrTConfInt The linear regression confidence interval for the intercept.

Given a list of explanatory variable data (X), a list of response

variable data (Y), and a confidence level, returns a list

containing the following values in the order shown:

• C: the given confidence level

• Critical T: the value of t associated with the given

confidence level

• DF: the degrees of freedom

• β

: the intercept of the linear regression equation

• serrInter: the standard error of the intercept

• Lower: the lower bound of the confidence interval for the

intercept

• Upper: the upper bound of the confidence interval for the

intercept

LinRegrTConfInt(List1, List2, C-value)

Example:

LinRegrTConfInt({1, 2, 3, 4}, {3, 2, 0, -

2},0.95) returns {0.95, 4.302..., 2, 5,

0.474..., 2.959..., 7.040...}

LinRegrTMean-

Resp

The linear regression confidence interval for a mean

response. Given a list of explanatory variable data (X), a list

of response variable data (Y), an X-value, and a confidence

level, returns a list containing the following values in the order

shown:

• X: the given X-value

• C: the given confidence level

• DF: the degrees of freedom

• Ŷ: the mean response for the given X-value

• serr Ŷ: the standard error of the mean response

• Lower: the lower bound of the confidence interval for the

mean response

• Upper: the upper bound of the confidence interval for the

mean response

LinRegrTMeanResp(List1, List2, X-value, C-

value)

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Hp Prime Graphing Wireless Calculator Manual do Utilizador Página 168