Mathematics of Statistics, Part 2 |
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approximately array of y's balls Bernoulli Bernoulli distribution binomial called Chapter column computed constant correlation coefficient corresponding defined definition degrees of freedom denoted distributed in accord distribution function drawn dy dx E. S. Pearson equal equation Evaluate Example expected value expression fiducial formula frequency curve given hypersphere independent integral interval linear regression Mathematical Statistics n₁ normal correlation normal curve normal probability scale normal universe normally distributed null hypothesis observed value obtain parameter Pearson system population probable error problem proof R. A. Fisher random sample refer regression plane relative frequency result Rietz sampling distribution sampling theory small samples Solution standard deviation standard error student Suppose t₁ testing the significance Theorem tion unbiased estimate variables variance variates x₁ zero σ² σα σι συ