The class ranks of a very small high school with 20 students are shown in the table below. Fr Fr Fr So So So Jr Sr Fr Jr Sr Sr Sr Jr So Jr So So Jr 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?   2468Class RankFreqFrSoJrSr[Graphs generated by this script: setBorder(49,45,0,10); initPicture(0,13,0,8);axes(1000,2,1,1000,2); fill="blue"; textabs([165,0],"Class Rank","above");textabs([0,95],"Freq","right",90);rect([1,0],[3,4]);text([2,0],"Fr","below");rect([4,0],[6,8]);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");] 2468Class RankFreqFrSoJrSr[Graphs generated by this script: setBorder(49,45,0,10); initPicture(0,13,0,8);axes(1000,2,1,1000,2); fill="blue"; textabs([165,0],"Class Rank","above");textabs([0,95],"Freq","right",90);rect([1,0],[3,4]);text([2,0],"Fr","below");rect([4,0],[6,6]);text([5,0],"So","below");rect([7,0],[9,8]);text([8,0],"Jr","below");rect([10,0],[12,4]);text([11,0],"Sr","below");] 123456Class RankFreqFrSoJrSr[Graphs generated by this script: setBorder(49,45,0,10); initPicture(0,13,0,6);axes(1000,1,1,1000,1); fill="blue"; textabs([165,0],"Class Rank","above");textabs([0,95],"Freq","right",90);rect([1,0],[3,4]);text([2,0],"Fr","below");rect([4,0],[6,6]);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");] 123456Class RankFreqFrSoJrSr[Graphs generated by this script: setBorder(49,45,0,10); initPicture(0,13,0,6);axes(1000,1,1,1000,1); fill="blue"; textabs([165,0],"Class Rank","above");textabs([0,95],"Freq","right",90);rect([1,0],[3,6]);text([2,0],"Fr","below");rect([4,0],[6,6]);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?   10%20%30%40%Fr10%So20%Jr40%Sr30% Data Percentage Fr 0.1 So 0.2 Jr 0.4 Sr 0.3   20%20%20%40%Fr20%So20%Jr40%Sr20% Data Percentage Fr 0.2 So 0.2 Jr 0.4 Sr 0.2   20%20%30%30%Fr20%So30%Jr30%Sr20% Data Percentage Fr 0.2 So 0.3 Jr 0.3 Sr 0.2   10%30%20%40%Fr10%So30%Jr40%Sr20% Data Percentage Fr 0.1 So 0.3 Jr 0.4 Sr 0.2

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

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

 

  • 2468Class RankFreqFrSoJrSr[Graphs generated by this script: setBorder(49,45,0,10); initPicture(0,13,0,8);axes(1000,2,1,1000,2); fill="blue"; textabs([165,0],"Class Rank","above");textabs([0,95],"Freq","right",90);rect([1,0],[3,4]);text([2,0],"Fr","below");rect([4,0],[6,8]);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");]
  • 2468Class RankFreqFrSoJrSr[Graphs generated by this script: setBorder(49,45,0,10); initPicture(0,13,0,8);axes(1000,2,1,1000,2); fill="blue"; textabs([165,0],"Class Rank","above");textabs([0,95],"Freq","right",90);rect([1,0],[3,4]);text([2,0],"Fr","below");rect([4,0],[6,6]);text([5,0],"So","below");rect([7,0],[9,8]);text([8,0],"Jr","below");rect([10,0],[12,4]);text([11,0],"Sr","below");]
  • 123456Class RankFreqFrSoJrSr[Graphs generated by this script: setBorder(49,45,0,10); initPicture(0,13,0,6);axes(1000,1,1,1000,1); fill="blue"; textabs([165,0],"Class Rank","above");textabs([0,95],"Freq","right",90);rect([1,0],[3,4]);text([2,0],"Fr","below");rect([4,0],[6,6]);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");]
  • 123456Class RankFreqFrSoJrSr[Graphs generated by this script: setBorder(49,45,0,10); initPicture(0,13,0,6);axes(1000,1,1,1000,1); fill="blue"; textabs([165,0],"Class Rank","above");textabs([0,95],"Freq","right",90);rect([1,0],[3,6]);text([2,0],"Fr","below");rect([4,0],[6,6]);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?

 

  • 10%20%30%40%Fr10%So20%Jr40%Sr30%
    Data Percentage
    Fr 0.1
    So 0.2
    Jr 0.4
    Sr 0.3
     
  • 20%20%20%40%Fr20%So20%Jr40%Sr20%
    Data Percentage
    Fr 0.2
    So 0.2
    Jr 0.4
    Sr 0.2
     
  • 20%20%30%30%Fr20%So30%Jr30%Sr20%
    Data Percentage
    Fr 0.2
    So 0.3
    Jr 0.3
    Sr 0.2
     
  • 10%30%20%40%Fr10%So30%Jr40%Sr20%
    Data Percentage
    Fr 0.1
    So 0.3
    Jr 0.4
    Sr 0.2
     
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