Rowena wants to test a randomly selected 20 students for her study. Identify the \( t \)-value of the following percentiles. 1. \( 75^{\text {th }} \) percentile 2. \( 5^{\text {th }} \) percentile 3. \( 60^{\text {th }} \) percentile 4. \( 40^{\text {th }} \) percentile 5. \( 90^{\text {th }} \) percentile
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Since Rowena is testing 20 students, the degrees of freedom (df) is \( n - 1 = 20 - 1 = 19 \). Show more…
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