Survey
* Your assessment is very important for improving the work of artificial intelligence, which forms the content of this project
Download Resources for Statistics Descriptive Statistics Measures of Central
Document related concepts
Transcript
Resources for Statistics Descriptive Statistics Measures of Central Tendency Mean, Median, Mode, Minimum, Maximum, Range, Interquartile Range (IQR) http://www.mathportal.org/calculators/statisticscalculator/descriptive-statistics-calculator.php Formula Standard Deviation Calculator http://www.mathportal.org/calculators/statisticscalculator/standard-deviation-calculator.php Formula Z-Score Video on how to calculate Critical Values Tables Formula Chi-Square Video on how to calculate contingency table chi-square test Degrees of freedom formula Critical Values Tables https://www.khanacademy.org/math/probability/statisticsinferential/normal_distribution/v/ck12-org-normal-distributionproblems-z-score (7:48) http://www2.parkland.edu/businesstraining/documents/zscoretable. pdf https://www.khanacademy.org/math/probability/statisticsinferential/chi-square/v/contingency-table-chi-square-test (17:38) One-variable: Df = K – 1 Two variable: (# rows -1)*(#columns-1) (K = number of categories) https://people.richland.edu/james/lecture/m170/tbl-chi.html http://www.stat.wmich.edu/~hzz3534/stat3660/lecture/Chi_Square_ table.jpg Formula T-Test Calculator Degrees of freedom formula Critical Values Table Formula Calculator Correlation (Pearson’s r) Degrees of freedom formula Critical Values Tables http://www.mathportal.org/calculators/statistics-calculator/t-testcalculator.php (n1-1) + (n2-1) http://www.sjsu.edu/faculty/gerstman/StatPrimer/t-table.pdf http://www.socscistatistics.com/tests/pearson/Default2.aspx df = N - 2 http://www.radford.edu/~jaspelme/statsbook/Chapter%20files/Tabl e_of_Critical_Values_for_r.pdf
