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11 - Test Selection Data can come in various forms...

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Test Selection Data can come in various forms depending on: o Number of independent variables o Number of dependent variables o One time, or several occasions o Same or different participants o Measuring differences in groups or relationships between variables Tests for one sample o Z-test When we know the population mean and standard deviation o One sample t-test When we have a hypothetical mean and we use our sample standard deviation o The Binomial or Sign Test Can be used with one sample when we have data that are non- parametric- not continuous but either/or. Ex: coing toss Categorical/Qualitative Binomial Calculator Ex: How improbable it is to have 8 boys and 2 girls Which to use (Pg.174) T-Tests for two samples o Although a t-test can be used for one sample, it is primarily used for two samples o Independent samples- two groups are unrelated o Dependent sample- two groups are related Paired sample Brother and Sister/ Husband and Wife
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