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A) Select all of the following variables for which a pie chart would be a valid visual display.

Group of answer choices

- final letter grades for students in STAT 2300

- the gender of students enrolled in STAT 2300

- the number of Economics majors taking STAT 2300

- final scores for students in STAT 2300

B) Select all of the following variables that could be displayed using a Pareto chart.

Group of answer choices

- the eye color of a student in STAT 2300

- the age of a student in STAT 2300

- the anticipated year of graduation for a student in STAT 2300

- the classification (freshman, sophomore, etc.) of a student in STAT 2300

15. Refer to the figure below. Outside of cel Cytokine JAK Phosphorylation Inside of coll Dimerization DNA Nucleus Transcription MRNA The figure shows a signal transduction pathway involving two proteins found in the cytoplasm-JAK and STAT. Based on this figure, what are the roles of JAK and STAT in this pathway? O JAK is a protein kinase and STAT is a G protein. O JAK is a G protein and STAT is a transcription factor. O JAK is a protein kinase and STAT is a transcription factor. JAK is a G protein and STAT is adenylyl cyclase. O JAK is a transcription factor and STAT is a GTPase.Question 4 1 pts Consider the following 4 statements Stat 1 : a is minimal element in the POSET (s