IMathAS-libretexts

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

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

a) Since data were collected for variable(s), the correct graph to make is a .

b) Complete the frequency/relative frequency table.

Class Rank	Frequency	Relative 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(0,13,0,9);axes(1000,2,1,1000,2); fill="blue"; stroke="black";textabs([165,0],"Class Rank","above");textabs([0,95],"Freq","right",90);rect([1,0],[3,5]);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],[12,4]);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([0,95],"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],[12,4]);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([0,95],"Freq","right",90);rect([1,0],[3,5]);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],[12,4]);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([0,95],"Freq","right",90);rect([1,0],[3,5]);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],[12,4]);text([11,0],"Sr","below");]

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

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