CHYS 3P15 Final Exam Questions and Answers 100% Pass

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CHYS 3P15 Final Exam Questions and

Answers 100% Pass


test of assumptions - ANSWER✔✔-- want p > .05 (non significant results)


- don't want difference


- don't want assumptions violated


- KS test (normality)


- Homogeneity of variance (equal groups -> t-test)


statistical model testing - ANSWER✔✔-- want p < .05 (significant results)


- want a difference


- t-test


- correlation


- bivariate regression


- multiple regression


- independent (one-way) ANOVA


- two-way (factorial) ANOVA


Normal Distribution - ANSWER✔✔-- z-scores


- mean, SD, variance

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- the mean model as a baseline model


measurements (categorical/continuous) key to understanding which descriptive values to use -

ANSWER✔✔-- frequency/ percentages, bar graphs


- measures of central tendency and dispersion (M, SD)


Categorical - ANSWER✔✔-- labelled as NOMINAL


- needs coding information (value): 0 = boy, 1 = girl


- frequency


- percentage


- mode


- bar graph


continuous - ANSWER✔✔-- labelled as SCALE


- no coding needed


- mean, SD (married couple)


- mean, mode, range (min/max)


- skew, kurtosis


- histogram w normal curve


histogram normal curve - ANSWER✔✔-- tells us deviation from mean


- assumptions (normality, outliers)


- standardized scores (68%, 99% of sample, +/- 3 cut off)

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