Author Question: If a null hypothesis is rejected at the 0.05 level of significance, it must be rejected at the 0.025 ... (Read 226 times)

misspop · **on:** Jun 24, 2018

If a null hypothesis is rejected at the 0.05 level of significance, it must be rejected at the 0.025 level.
Indicate whether the statement is true or false

Question 2

Which of the following statements about dummy variables is false?
a. We can incorporate any nominal variable into regression analysis by creating one or more dummy variables.
b. Dummy variables are also known as binary variables, nominal variables, or indicator variables.
c. These variables take on only two values, namely 0 or 1, and those values then indicate the absence or presence of a particular nominal characteristic.
d. All of these choices are true.