Bar Charts Visual Analysis of Data Questions and Solutions


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The following chart shows the production of cars in thousands.

Bar Charts Questions and Answers

How many companies have shown production below their average production in 2002 - 2003, but have showed above the average production in 2003 - 2004 ?


A. One
B. Two
C. Three
D. Four

Answer & Explanation:

Answer: Option C

Explanation:

Average sales of company:

Honda = (6 + 14 + 21)/3 = 13.66

GM = (12 + 18 + 18)/3 = 16

Maruti = (5 + 9 + 15)/3 = 9.66

Hindustan Motors= (16 + 9 + 12)/3 = 12.33

Hyundai = (8 + 14 + 7)/3 = 9.66



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The ratio of Hindustan Motors production in 2003 - 2004 to Honda's production in 2002 - 2003 is ?


A. 0.66
B. 1.5
C. 2
D. None of these

Answer & Explanation:

Answer: Option B

Explanation:

The required ratio is (9/6) = 1.5.



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For how many companies has there been no decrease in production in any year from the previous year ?


A. One
B. Two
C. Three
D. Four

Answer & Explanation:

Answer: Option C

Explanation:

By visual inspection we can say that Honda, GM and Maruti have not shown a decrease.



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