Hp 50g Graphing Calculator Instrukcja Użytkownika Pobierz pdf (Strona 22)

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Chapter 18 - Statistical Applications ,18-1

Pre-programmed statistical features ,18-1

Entering data ,18-1

Calculating single-variable statistics ,18-2

Obtaining frequency distributions ,18-5

Fitting data to a function y = f(x) ,18-10

Obtaining additional summary statistics ,18-13

Calculation of percentiles ,18-14

The STAT soft menu ,18-15

The DATA sub-menu ,18-16

The ΣPAR sub-menu ,18-16

The 1VAR sub menu ,18-17

The PLOT sub-menu ,18-17

The FIT sub-menu ,18-18

The SUMS sub-menu ,18-18

Example of STAT menu operations ,18-19

Confidence intervals ,18-22

Estimation of Confidence Intervals ,18-23

Definitions ,18-23

Confidence intervals for the population mean when the population vari-

ance is known ,18-24

Confidence intervals for the population mean when the population vari-

ance is unknown ,18-24

Confidence interval for a proportion ,18-25

Sampling distribution of differences and sums of statistics ,18-25

Confidence intervals for sums and differences of mean values ,18-26

Determining confidence intervals ,18-27

Confidence intervals for the variance ,18-33

Hypothesis testing ,18-35

Procedure for testing hypotheses ,18-35

Errors in hypothesis testing ,18-36

Inferences concerning one mean ,18-37

Inferences concerning two means ,18-39

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