Saturday, April 13, 2013

Elementary Statistics: A Brief Version(A. Bluman 3rd Ed., 2003): OUTLINE of Chapter 1.

OUTLINE of Chapter 1

Elementary Statistics: A Brief Version

(A. Bluman 3rd Ed., 2003)

        Demonst consider knowledge of statistical terms.

        Differentiate between the two branches of statistics.

        Identify types of data.

        Identify the touchstone level for each variable.

        Identify the four basic take techniques.

         apologise the difference between an observational and an experimental study.

        Explain how statistics cigarette be used and misused.

        Explain the importance of computers and calculators in statistics.

        Statistics is the science of conducting studies to stack away, organize, summarize, analyze, and draw conclusions from data.

        Descriptive statistics consists of the collection, organization, summarization, and presentation of data.

        Inferential statistics consists of generalizing from samples to populations, do estimations hypothesis testing, determining relationships among variables, and making predictions.

        Probability is the chance of an resolution occurring.

        A population consists of all subjects that are being studied.

        A sample is a group of subjects selected from a population.

        In outrank to gain knowledge about seemingly haphazard events, statisticians collect information for variables that describe the events.

        A variable is a distinction or attribute that can assume different set.

         information are the values that variables can assume.

        A data raiment is a collection of data values.

        Each value in the data set is called a data value or a datum. is a professional essay writing service at which you can buy essays on any topics and disciplines! All custom essays are written by professional writers!

        Random variables have values that are situated by chance.

        Insurance companies set their rates based on random variables. Over a long period of time, the rate of the occurrence of accidents tends to be constant.

        Qualitative variables can be fixed into distinct categories according to some characteristic or attribute.

         three-figure variables are numerical in nature and can be ordered or ranked.

Variables and Types of Data (contd.)

Quantitative variables can be save classified into two groups.

        Discrete variables assume values that can be counted.

        Continuous variables can assume all values between...

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