01 / ORIGINAL EXCEL TOOL
LC50 / LD50
Probit analysis
Estimate dose–mortality relationships with the author’s original Excel worksheet, based on Finney’s method.
Download original XLSTHE RESEARCH TOOLBOX
From observations
to understanding.
Three original Excel tools by Dr. M. R. Srinivasan, preserved here for students and agricultural researchers.
02 / ORIGINAL EXCEL TOOL
ANOVA · RBD
Randomized block design
Compare treatment effects while accounting for the variation between blocks. The original workbook supports data transformation.
Download original XLS03 / ORIGINAL EXCEL TOOL
ANOVA · CRD
Completely randomized design
Analyze treatment effects in a completely randomized experiment using the original Excel workbook.
Download original XLSThese are the author’s original files, downloaded unchanged from the public ResearchGate attachments. Excel or a compatible spreadsheet application is required.
AN IDEA BEHIND THE TOOL
What does
LC50 mean?
LC50 describes a concentration at which the estimated response reaches 50% mortality. Move the slider along this illustrative curve to see the relationship.
Illustrative model, not experimental data or a fitted analysis. Use the original workbook for your experiment.