## Mathematics of statistics, Part 2 |

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approximately array of y's balls Bernoulli Bernoulli distribution binomial called Chapter co*o column computed constant correlation coefficient corresponding defined definition degrees of freedom denoted distributed in accord distribution function drawn dy dx equal equation Evaluate Example expected value expression fiducial Fisher's formula frequency curve given hypersphere independent integral interval linear regression marginal distributions Mathematical Statistics 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 ST TT standard deviation standard error student Suppose testing the significance Theorem tion TT ST TT TT TT unbiased estimate values of x2 variables variance variates z-test zero