Line Graphs

Line Graphs

TGM Original Questions
  1. The table below shows the number of students who get an A, B, C and D in a test, respectively. Construct a bar graph using the grids below and the data from the table.
Rating

\(A\)

\(B\)

\(C\)

\(D\)

Number of students

\(16\)

\(28\)

\(21\)

\(12\)

  1. The table below shows the percentage of four types of products produced by a factory, respectively. Construct a pie chart using the figure below and the data from the table, stating clearly the degree of each sector, production in percentage and the type of each product.
TypeIIIIIIIV
Production in percentage

\(25\%\)

\(50\%\)

\(20\%\)

\(5\%\)

  1. The table below shows the number of employees that a company hires from \(1995\) to \(2020\), respectively.
Year

\(1995\)

\(2000\)

\(2005\)

\(2010\)

\(2015\)

\(2020\)

Number of employees

\(36\)

\(49\)

\(60\)

\(55\)

\(63\)

\(72\)

Construct a line graph using the grids below and the data from the table.

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Answer:(i) Bar heights: \(A=16\), \(B=28\), \(C=21\), \(D=12\) (ii) Type I: \(90^\circ\), Type II: \(180^\circ\), Type III: \(72^\circ\), Type IV: \(18^\circ\) (iii) Plot \((1995,36)\), \((2000,49)\), \((2005,60)\), \((2010,55)\), \((2015,63)\), \((2020,72)\)

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