The cost of fuel in running of an engine is proportional to the square of the speed and is Rs 48 per hour for speed of 16 kilometers per hour

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Quantitative Methods info_at_casestudyhelp.in91
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• Quantitative Methods
•  
• CASE STUDY (20 Marks)
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• The cost of fuel in running of an engine is
  proportional to the square of the speed and is Rs
  48 per hour for speed of 16 kilometers per hour.
  Other expenses amount to Rs 300 per hour. What is
  the most economical speed?

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• Answer the following question.
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• Q1. What is most economical speed?
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• Q2. What is a chi-square test?
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• Q3. What is sampling and what are its uses.
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• Q4. Is there any alternative formula to find the
  value of Chi-square?

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