14.0 Hypothesis Testing
... f. For n > 31, with θ = µ1 − µ2 , and n paired differences Xi − Yi , use the z-table for the significance probability. The test statistic is: ...
... f. For n > 31, with θ = µ1 − µ2 , and n paired differences Xi − Yi , use the z-table for the significance probability. The test statistic is: ...
Statistics for Finance
... A. Derive the above statement, i.e. prove it ! B. What would be the corresponding statement if the population standard deviation σ is unkown ? Prove it ! Note: Often 2E is called the width of the confidence interval. 5. Union officials are concerned about reports of inferior wages being paid to empl ...
... A. Derive the above statement, i.e. prove it ! B. What would be the corresponding statement if the population standard deviation σ is unkown ? Prove it ! Note: Often 2E is called the width of the confidence interval. 5. Union officials are concerned about reports of inferior wages being paid to empl ...
Inferential Statistics
... • Type I Error (α) - rejection of a true null hypothesis (i.e. finding a significant difference when it does not actually exist) • Type II Error (β) - failure to reject a false null hypothesis (i.e. failure to find a significant difference when it does exist) Dr. Mark Baron ...
... • Type I Error (α) - rejection of a true null hypothesis (i.e. finding a significant difference when it does not actually exist) • Type II Error (β) - failure to reject a false null hypothesis (i.e. failure to find a significant difference when it does exist) Dr. Mark Baron ...
From Simulations to the Central Limit Theorem
... the population (usually unknown) Statistic: A number describing a characteristic of a sample. ...
... the population (usually unknown) Statistic: A number describing a characteristic of a sample. ...
