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.