Answer: Chi-square test
Step-by-step explanation:
A Chi-square test is a test used or applied to check or see if a relationship between two categorical variables. Example
The marketing firm trying to show their client that there is a linear relationship between sales and the amount of money the client has invested in radio advertisements uses chi-square method by comparing the two variables which are Sales made and Amount spent on advert or promotion on radio.
B and C !! hope this helped
Answer:
Distributive property
Step-by-step explanation:
The rule being shown here is the distributive property, because the first binomial is taken apart and separately multiplied with the other binomial.
Answer:
6(2 - 5k^4).
Step-by-step explanation:
12k^0 - 30k^4
Now k^0 = 1 so the polynomial becomes
12 - 30k^4
= 6(2 - 5k^4).