We have all seen the commercials where the individual is asked to determine which beverage tastes better. Even given the best controls on the experiment, the experimenter might push one soda closer to the participant, or make sure that one drink is colder than the other. By completing these types of moves, the participant may be skewed which can cause invalid results. To prevent this the experimenter is not told which soda is which. Comparison:
Random assignment:
Control:
Replication:

Is this a blind experiment or a double blind experiment? Why or why not?

20%

step-by-step explanation:

c - they will have the same distribution

step-by-step explanation:

this is the only one that could make sense. : )

(a) common ratio in the given sequence is, 3

(b) push ups will do kendall do on the 20th week

step-by-step explanation:

geometric sequence is a sequence of numbers that follows a pattern were the next term is found by multiplying by a constant called the common ratio(r)

(a)

given the sequence: 6 , 18 , 54 , 162 ,

this sequence is geometric sequence where each term is 3 times the previous term.

therefore,

common ratio(r) = 3.

(b)

a formula for nth term of geometric sequence is given by;

,   where r is the common ratio between the successive terms and is the first term,

to find how many push ups will kendall do on the 20th week.

here. n = 20th term.

in the given sequence first term

then;

simplify:

therefore, push ups will do kendall do on the 20th week