Percent Increase and Decrease Quiz
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QUALITATIVE ANALYSIS: chromatography techniques, flame tests, ion identification
QUALITATIVE ANALYSIS: chromatography techniques, flame tests, ion identification, precipitation reactions, forensic chemistry reading comprehension passages. How do chemists determine what substances are present in an unknown sample without measuring exact amounts? Students explore how chromatography techniques separate mixtures, how flame tests reveal metal ions, how systematic ion identification distinguishes anions and cations, how precipitation reactions confirm composition, and how indicat
5th - 8th
Chemistry, General Science, Statistics
NON PARAMETRIC TESTS IN BIOSTATISTICS: Mann Whitney U test, Wilcoxon signed rank
NON PARAMETRIC TESTS IN BIOSTATISTICS: Mann Whitney U test, Wilcoxon signed rank, Kruskal Wallis ANOVA, Spearman rank correlation, small sample analysis reading comprehension passages. Why trust coin flips over perfect bell curves when real patient data skews wild? Students explore non-parametric tests ranking messy medical results without normality assumptions, like Mann-Whitney comparing drug trials or Kruskal-Wallis sorting multiple treatments. They uncover Wilcoxon pairing before-after scan
5th - 8th
Applied Math, Biology, Statistics
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