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
#SPJ1
Answer:
x=-4
Step-by-step explanation:
Set both equations equal to each other.
x +11=3x+19
solve for x.
Get a calculator, Multiply the 8 by the 3.4. You get 27.2. Now divide that by half. You get (C is the answer)
The formula for the area of a triangle is
Basically you have to find the graph that goes through the middle of the line or points to it.
I know you can do it! If you have any questions just reply.
Answer:24
Step-by-step explanation:
28=x+4
Collect like terms
x=28-4
x=24