BIZ STAT FINAl
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given a critical t-value +/- 3.98, we do not reject the null hypothesis
True
the coefficient of determination r2 measures how much the Y variable is dependent on the x variable you are testing
True
In a two tail hypothesis test, the critical value of t is 2.578 when n=5 and significance level is 0.05
False
In a two tail hypothesis, when alpha is 0.01 the critical value of z is +/- 2.33
False
The slope (b1) represents the mean value of X when Y=0
False
In a one tail hypothesis test when test statistic is -2.79, we reject the null hypothesis at 0.01 level of a
false
The Regression Sum of Squares can never be greater than the Total Sum of Squares
true
When calculating the confidence interval for a mean, we estimate the population mean using sample mean
true
