Enabling market research professionals to make sense of survey data instantly, APLUSA Stats delivers accurate and actionable metrics, without waiting for spreadsheets or statisticians.
Confidence Interval Calculator
Instantly see the range of likely values around any observed percentage. For example, “20% ± 3.5%” at 95% confidence.
Two‑Proportion Significance Test
Check if differences between two sample percentages (e.g. between GPs and cardiologists) are statistically meaningful.
Sample‑Size Estimator
Determine the minimum number of respondents needed to achieve a specific margin of error, so your studies are both valid and efficient.
