Estatística básica minitab

CONTENTS

INDEX

MEET MTB

UGUIDE 1

UGUIDE 2

SC QREF

HOW TO USE

1 s s s s s s s s s s s s s s

Basic Statistics
Basic Statistics Overview, 1-2 Descriptive Statistics Available for Display or Storage, 1-4 Display Descriptive Statistics, 1-6 Store Descriptive Statistics, 1-9 One-Sample Z-Test and Confidence Interval, 1-12 One-Sample t-Test and Confidence Interval, 1-15 Two-Sample t-Test and Confidence Interval, 1-18 Paired t-Test and Confidence Interval, 1-22 Test and Confidence Interval of a Proportion, 1-26 Test and Confidence Interval of Two Proportions, 1-30 Test for Equal Variances, 1-34 Correlation, 1-37 Covariance, 1-41 Normality Test, 1-43

MINITAB User’s Guide 2

1-1

CONTENTS

INDEX

MEET MTB

UGUIDE 1

UGUIDE 2

SC QREF

HOW TO USE

CONTENTS
Chapter 1

INDEX

MEET MTB

UGUIDE 1

UGUIDE 2

SC QREF

HOW TO USE
Basic Statistics Overview

Basic Statistics Overview
Use MINITAB’s basic statistics capabilities for calculating basic statistics and for simple estimation and hypothesis testing with one or two samples. The basic statistics capabilities include procedures for s s s

calculating or storing descriptive statistics hypothesis tests and confidence intervals of the mean or difference in means hypothesis tests and confidence intervals for a proportion or the difference in proportions hypothesis test for equality of variance measuring association testing for normality of a distribution

s s s

Calculating and storing descriptive statistics s Display Descriptive Statistics produces descriptive statistics for each column or subset within a column. You can print the statistics in the Session window and/or display them in a graph. Store Descriptive Statistics stores descriptive statistics for each column or subset within a column.

s

For a list of descriptive statistics available for display or storage see page 1-4. To calculate descriptive statistics individually and store them as