STEM
Statistics, step by step
Understand which test to use and why. Academisolve sets out the hypotheses, computes the statistics and interprets the result in plain language.
Coverage
Topics we cover
- Descriptive statistics
- Probability rules
- Normal and binomial distributions
- Confidence intervals
- Hypothesis testing
- Regression and correlation
Worked example
StatisticsSolved
Question
Find the mean of 4, 8, 15, 16, 23, 42
- Step 1: Add the values: 4 + 8 + 15 + 16 + 23 + 42 = 108
- Step 2: Count the values: n = 6
- Step 3: Divide the sum by n: 108 ÷ 6
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