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:
Answer is D
Step-by-step explanation:
9 + 13x = 6 + 19x since x is same variable (year)
9 - 6x = 6
-6x = -3
x = 1/2 yr or 6 months
When you look at this problem you have to think, how many teaspoons do you need for 1 cupcake so you would divide 3 by 15 and get .....
