Jessica investigates the relationship between caffeine intake and performance on a class test for high school students. before her sample of students takes an exam, she notes the number of cups of coffee they consumed two hours before the test. she obtains their scores after the test is over. she then calculates the correlation coefficient between the two variables and finds it to be +0.82. which of the following conclusions should jessica draw from this value?
a. caffeine consumption has no association with performance on a testb. eighty-two percent of the students consumed caffeine prior to the examc. higher caffeine consumption is related to higher exam scoresd. caffeine consumption causes higher scores.

Read the following scene from trifles. mrs. peters. she was piecing a quilt. (she brings the large sewing basket, and they look at the bright pieces.) mrs. hale. it’s log cabin pattern. pretty, isn’t it? i wonder if she was goin’ to quilt or just knot it? (footsteps have been heard coming down the stairs. the sheriff enters, followed by hale and the county attorney.) sheriff. they wonder if she was going to quilt it or just knot it. (the men laugh, the women look abashed.) county attorney (rubbing his hands over the stove). frank’s fire didn’t do much up there, did it? well, let’s go out to the barn and get that cleared up. (the men go outside.) how would a film version most likely emphasize the men’s emotions during this scene? by emphasizing the variety of props used by showing the men’s facial expressions by highlighting the characters’ costumes by focusing on the actions of the women