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Module 5: The t-Test CORRECT 100%
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January 2025

2024/2025

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When population standard deviation is known, the z-score is used, when population standard deviation is unknown, the __ is used - ANSWERt-score True/False Since t-scores are centered normally around the mean and form a bell-shaped curve, probabilities can be calculated to draw inferences about populations. - ANSWERTrue ___ determine how well the t-distribution approximates the normal distribution of the z-scores. To calculate for any sample size, n-1 - ANSWERDegrees of freedom (df) A t...
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