Problems
129
17. for the following sample of n = 8 scores: 0, 1, 2, 0, 3,
1.0, and 1:
a. simplify the arithmetic by first multiplying each
score by 2 to obtain a new sample of 0, 2, 1, 0, 6,
1, 0, and 2. then, compute the mean and standard
deviation for the new sample.
b. using the values you obtained in part a, what are
the values for the mean and standard deviation for
the original sample?

ok

step-by-step explanation:

add 5 subtract 1

step-by-step explanation:

so far i think you have the right thing going for you just remember soh cah toh

step-by-step explanation:

sine over hypotenuse

cosine   equals adjacent

tangent over hypotenuse

if you are saying purchasing 3 social media ads and one newspaper ad counts as one purchase then there are:

6 purchases

if you are asking how many of each then:

18 social media ads

6 newspaper ads