Select the correct answer. Lisa works as a waitress. The data set below shows Lisa's daily gratulty income, in dollars, over 15 days of work.
90, 80, 85, 115, 55, 60, 97, 73, 70, 110, 112, 58, 92, 78, 100
Using a box plot, determine which of the following are true regarding the data set above.
1. The data is skewed left.
II. The data is skewed right.
III. The data is symmetric.
IV. The IQR IS 30.
OA
II and IV
OB. lll only
I and IV
D
III and IV
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2020 Edmentum Alligats teserved

Stu and ambrose are working together on a study of whether diet is related to students' mental health. first, they randomly select 10 students from the student center and 10 students from the office of counseling and psychological services. then, they ask students to rate their diet in terms of healthiness on a scale of 1-100 before completing a 20-item mental health survey. a) name one of the constructs being studied b) how was the construct you named above operationally defined in this experiment? e) was the variable you described above their independent variable, their dependent variable, or a controlled variable? d) what is a confounding variable? what is a potential confound in this study?