1. If the null hypothesis states that there is no difference between the mean income of males and the mean income of females, then the test is
one-tailed. FALSE
2. If the null hypothesis states that there is no difference between the mean net income of re

1. An example of a hypothesis is: a person is innocent until proven guilty. TRUE
2. Hypothesis testing is a procedure that uses sample evidence and probability theory to decide whether to reject or fail to reject a
hypothesis. TRUE
3. An alternate hypothe

13
1. A scatter diagram is a graph that portrays the correlation between a dependent variable and an independent variable. TRUE
2. An economist is interested in predicting the unemployment rate based on gross domestic product. Since the economist is inter

1. The F distribution's curve is positively skewed. TRUE
2. One characteristic of the F distribution is that the computed F can only range between -1 and +1. FALSE
3. If the computed value of F is 0.99 and the critical value is 3.89, we would not reject t

Chapter 09 - Estimation and Confidence Intervals
Chapter 09
Estimation and Confidence Intervals
Fill in the Blank Questions
76. A sample mean is a _ of the population mean.
_
77. A finite population correction factor is used to adjust the _.
_
9-1
Chapter

Chapter 08 - Sampling Methods and the Central Limit Theorem
Chapter 08
Sampling Methods and the Central Limit Theorem
8-1
Chapter 08 - Sampling Methods and the Central Limit Theorem
Fill in the Blank Questions
70. Sampling from a population may be preferr