Jack is performing a factor analysis on twenty items relevant to perceptions of service quality. using a principal components approach, the following eigenvalues were produced: 3.45, 2.78, 1.33, 1.24, 1.01, .567, .443, and .223. how many factors should jack retain based on these eigenvalues?

i believe the answer is d.

hope it you! : d

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

answer is 33

step-by-step explanation:

answer: -10

step-by-step explanation:

s(t) = 1 - 10t

s(x) = 1 - 10x

s(x + h) = 1 - 10(x + h)

            = 1 - 10x - 10h

s(x + h) - s(x) = 1 - 10x - 10h - (1 - 10x)

                      = 1 - 10x - 10h - 1 + 10x

                      = -10h

= -10