1. If we raise the error allowed, E, in our survey results then we can use a _______ sample size, n.
2. The variable plotted on the vertical or Y - axis in a scatter diagram is the _______ variable.
3. If the null hypothesis contains an equal sign, =, then we need to do a _______ tailed test.
4. With a "level of significance" of 0.10, then the "level of confidence" is _________.
5. When the null hypothesis is rejected, we conclude the alternate hypothesis is __________
6. Given the same significance level, a ________ value of t will be required to reject the null hypothesis compared to the value of z required for rejection.
7. With a ________ tailed test the alternative hypothesis contains a < or > sign.
8. The null hypothesis is a claim about the value of the ___________________
9. The t distribution is continuous, has a mean of 0 and is more spread out than the ___________
10. Suggested levels of significance: political polling ______; consumer research ______; and quality control ______.
11. In a one-tailed test at alpha 0.05, with n = 21: z critical is ______; and t critical is_______.
12. To determine the equation for the regression line you (or Excel) use the ___________method.