Part B. Question

What is the difference of the sample means of those who would purchase the red box and those

who would purchase the blue box?

2.08

1.86

1.39

1.74

The difference is  1.74

Step-by-step explanation:

This question is the continuation to a question I already answered.

So, I will pick my answers from there

See comment for link to that solution

Required

The difference between those who purchase both

Since the average of both colors have been given;

Next, we simply calculate their difference (d)

This gives:

Take absolute value of 1.74

the answer is d

the answer is in the first quadrant, which make the y-int positive.

since the dots are going down, therefore the correlation is negative

i hope it is right.

answer: check all that apply, where the options?

step-by-step explanation: