Resource Library

Statistical Topic

Data Collection 586
Data Presentation 450
Probability 816
Statistics Education 82
Statistical Inference & Techniques 1199
Advanced Search | Displaying 2211 - 2220 of 2220

  • Two Sample Hypothesis Tests for Proportions

    Gives some examples of two sample proportions. Shows how to answer using formulas and minitab.

    View Resource

    0
    No votes yet

  • Practice Problems: t-tests

    Gives four practice problems on the t-test. Gives both the data sets and the mean and standard deviations if you did not want to compute them. Requires students to interpret and reason through some of their answers.

    View Resource

    0
    No votes yet

  • One and Two-Tailed t-Tests

    Gives a basic explanation with diagrams of the one and two-tailed t-tests.

    View Resource

    0
    No votes yet

  • Statistics at Square One: The t tests

    Gives very detailed explanation of t-tests (confidence intervals, one-sample, two sample independent, two sample paired, pooled and unpooled variances). Discusses the assumptions that are made for each type of t-test. This topic is part of an online textbook.

    View Resource

    0
    No votes yet

  • Comparing Two Independent Sample Means

    Textbook-like example showing the independent t-test. Gives a nice way for students to think through the problem and interpret results.

    View Resource

    0
    No votes yet

  • Two-Sample t-Test for Equal Means (Engineering Statistics Handbook)

    Gives textbook-like explanation with some real-life data to compute a t-test and determine if two population means are equal. Also has some links for case studies and a web-based program called Dataplot. There is a printer-friendly version on the main homepage (see source).

    View Resource

    0
    No votes yet

  • Student's t-test Applet

    This page gives a short background on Student's t-test and provides three t-test calculators. Two perform t-tests for independent groups and one performs t-tests for matched pairs. Users type in individual data points or copy and paste the entire data set. Some examples are given for demonstration.

    View Resource

    0
    No votes yet

  • Research Methods Knowledge Base : The t-Test

    This particular textbook lesson addresses the independent t-test. It presents to the user how to compute the t statistic and then how to interpret the results.

    View Resource

    0
    No votes yet

  • Z-test for difference between means

    A slideshow presentation with two good examples on using the Z-test for the difference between two means. Gives some good "plain language" interepretations of what "statistically significant difference" means.

    View Resource

    0
    No votes yet

  • HyperStat Online: Ch. 4 Introduction to Probability

    This chapter of the HyperStat Online Textbook presents six sections on probability including conditional probability, unions, intersections, and the Binomial distribution. A link to exercises for the chapter is available, as well as a link to an applet that demonstrates the approximation of the binomial with a normal distribution (in section 5).

    View Resource

    0
    No votes yet

Pages