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### 15 Cards in this Set

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 A p value of .3 will almost never be enough evidence to reject H0 True An alternative hypothesis of H1: = with a line through it idicates a one sided test False The null hypothesis is always a statement of inequality False A significance level of 95% is very commonly used. False A survey that reporting a value of 45% plus or minus 3% means the true value is actually between 42 and 48& False A statistically significant difference is one that is caused by chance. False If a test shows a significant difference then a type I error may have been made True Another name for significance level is the alpha level The p value is compared to ----------------when deciding whether to reject H0 Alpha When determining a confidence interval we are trying to estimate population parameter If we reject H0 when it is true then we have made a ---------error Type I the midpoint of a confidence interval for p is p hat John did a single sided hypothesis test and found a p value of .035. Jan did a two sided test with same data. Her p value would be .07 multiply by two If the p value is larger than alpha then we dont reject H0 If the sample mean is 10, the standard deviation is 6, and the sample size is 4, then the standard error of the sample mean is 3 6/square root of 4