The class ranks of a very small high school with 20 students are shown in the table below.

Fr	Fr	Fr	So	So	So	Sr	Jr	Fr	Fr
Fr	Jr	Jr	So	So	Fr	Sr	So	So	Jr

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a) Since data were collected for ? 1 2 3 6 20 Select an answer qualitative quantitatve variable(s), the correct graph to make is a Select an answer side-by-side bar chart scatterplot histogram bar chart .

b) Complete the frequency/relative frequency table.

Class Rank	Frequency
Fr
So
Jr
Sr

 

c) Which of the following is the correct bar chart for the given data? [Graphs generated by this script: setBorder(49,45,0,10); initPicture(0,13,0,7);axes(1000,1,1,1000,1); fill="blue"; stroke="black";textabs([165,0],"Class Rank","above");textabs([0,145],"Freq","right",90);rect([1,0],[3,7]);text([2,0],"Fr","below");rect([4,0],[6,7]);text([5,0],"So","below");rect([7,0],[9,4]);text([8,0],"Jr","below");rect([10,0],[12,2]);text([11,0],"Sr","below");] [Graphs generated by this script: setBorder(49,45,0,10); initPicture(0,13,0,7);axes(1000,1,1,1000,1); fill="blue"; stroke="black";textabs([165,0],"Class Rank","above");textabs([0,145],"Freq","right",90);rect([1,0],[3,7]);text([2,0],"Fr","below");rect([4,0],[6,7]);text([5,0],"So","below");rect([7,0],[9,6]);text([8,0],"Jr","below");rect([10,0],[12,2]);text([11,0],"Sr","below");] [Graphs generated by this script: setBorder(49,45,0,10); initPicture(0,13,0,9);axes(1000,2,1,1000,2); fill="blue"; stroke="black";textabs([165,0],"Class Rank","above");textabs([0,145],"Freq","right",90);rect([1,0],[3,9]);text([2,0],"Fr","below");rect([4,0],[6,7]);text([5,0],"So","below");rect([7,0],[9,4]);text([8,0],"Jr","below");rect([10,0],[12,2]);text([11,0],"Sr","below");] [Graphs generated by this script: setBorder(49,45,0,10); initPicture(0,13,0,9);axes(1000,2,1,1000,2); fill="blue"; stroke="black";textabs([165,0],"Class Rank","above");textabs([0,145],"Freq","right",90);rect([1,0],[3,7]);text([2,0],"Fr","below");rect([4,0],[6,9]);text([5,0],"So","below");rect([7,0],[9,4]);text([8,0],"Jr","below");rect([10,0],[12,2]);text([11,0],"Sr","below");]

d) Which of the following is the correct pie chart for the given data?