HP Prime Graphing Wireless Calculator Instrukcja Użytkownika Pobierz pdf (Strona 442)

100

101

PredX

Returns the predicted x for a given y.

PredX(mode, y, parameters)

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Mode governs the regression model used:

1 y= sl*x+int

2 y= sl*ln(x)+int

3 y= int*exp(sl*x)

4 y= int*x^sl

5 y= int*sl^x

6 y= sl/x+int

7 y= L/(1 + a*exp(b*x))

8 y= a*sin(b*x+c)+d

9 y= cx^2+bx+a

10 y= dx^3+cx^2+bx+a

11 y= ex^4+dx^3+cx^2+bx+a

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Parameters is either one argument (a list of the coeicients of the regression line), or the n

coeicients one after another.

HypZ1mean

The one-sample Z-test for a mean.

HypZ1mean( ,n,μ

,σ,α,mode,[”configuration”])

The input parameters can be a range reference, a list of cell references, or a simple list of values.

Mode: Species which alternative hypothesis to use:

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1: μ < μ

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2: μ > μ

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3: μ ≠ μ

Conguration: a string that controls what results are shown and the order in which they appear. An empty

string "" displays the default: all results, including headers. The options in the conguration string are

separated by spaces.

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h: header cells will be created

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acc: the test result, 0 or 1 to reject or fail to reject the null hypothesis

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tZ: the test Z-value

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tM: the input value

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prob: the lower-tail probability

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cZ: the critical Z-value associated with the input α-level

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cx1: the lower critical value of the mean associated with the critical Z-value

394 Chapter 22 Functions and commands

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