38.5-31.57=6.93 meaning 6.93/38.5 = .18 = 18%
The two numbers are 3 and 20.
3 * 20 = 60
3 + 20 = 23
The appropriate statistical test for whether the mean rating of guilts are greater for unattractive defendants than for attractive is:
B. 1 tailed t-test.
<h3>What are the hypothesis test?</h3>
At the null hypothesis, it is tested if the mean rating of guilt will not be higher for unattractive defendants than for attractive defendants, that is:

At the alternative hypothesis, it is tested if the rating is greater, that is:

We are comparing the means, hence a t-test is used. We are testing if one is greater than other(not different), hence a 1-tailed test is used, and option B is correct.
More can be learned about hypothesis tests at brainly.com/question/13873630
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Answer:
2x - 4
Step-by-step explanation:
2(3x + 6) = 6x + 12
2(-2x - 8) = -4x -16
6x + 12 - 4x - 16 = 2x - 4
Your gonna evenly spread the items across the table so there in even groups.