Answer: b. False
Step-by-step explanation:
- A dummy variable is a numerical variable used in regression analysis to represent values for categorical data by using value 0 (shows absence of particular category) or 1 (shows presence of particular category) .
- We cannot use categorical data to evaluate the slope coefficient (numerical value) until we convert them into dummies.
Hence, the given statement is absolutely false.
Answer:
25.71%
Step-by-step explanation:
Although the first instinct would be to say that his approval rating changed by 18%, the actual percent change for the candidate's approval rating is given by the difference between both polls (18%) divided by the candidate's approval in the first poll (70%):
The percent change for the candidate's approval rating was 25.71%
Answer:
2/3
Step-by-step explanation:
4/9×3/2=2/3 The answers provided are all wrong
Answer:
3(x + 2)(x - 6) = 0
Step-by-step explanation:
We see that if x + 2 = o then x= -2
and if x - 6 = 0, x = 6.
