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Programs & methods
Chi-Square Distribution Explorer | Interactive Digital Tool | Statistics | $2
An interactive browser-based dashboard for the chi-square distribution — drag sliders to shade p-value areas, watch the live critical values table highlight in real time, and explore college-level formulas all in one scrollable HTML file. Perfect for AP Statistics and beyond. How it works: Students open the HTML file in any browser and see an interactive chi-square curve with multiple df overlays. Two sliders control degrees of freedom and the critical value. The shaded area updates instantly to
9th - 12th, Higher Education
Statistics
CCSS
HSS-IC.B.6
t-Distribution Explorer | Interactive Digital Tool | Statistics | $2.00
An interactive browser-based dashboard for the t-distribution — drag sliders to shade tail areas, toggle a live N(0,1) overlay to watch convergence happen in real time, and explore the full critical values table with live highlighting. The clearest visual explanation of why we use t instead of z. How it works: Students open the HTML file in any browser and see an interactive t-distribution curve. Sliders control degrees of freedom (1–60) and the t-value. A three-way mode toggle switches between
9th - 12th, Higher Education
Statistics
CCSS
HSS-IC.B.4
, HSS-IC.B.5
, HSS-IC.B.6
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