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3156
If the standard deviation of a set of numbers is 3.6, what is the variance?
  • A. 12.49
  • B. 12.69
  • C. 12.9
  • D. 12.96
  • E. 12.98
View Answer & Discuss NECO 2005
3157
The recent revolution of Cassava from ordinary food crop to export crop will lead to
  • A. decrease in price of cassava flour
  • B. decrease In production of cassava
  • C. decrease In production of local starch
  • D. increase In production of other crops
  • E. increase in the prices of cassava products
View Answer & Discuss NECO 2005
3158
The formular (N + 1)/2 is used to determine the
  • A. mean
  • B. median
  • C. mode
  • D. standard deviation
  • E. mean deviation
View Answer & Discuss NECO 2005
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3159
When the total product starts falling, then the marginal product is
  • A. constant
  • B. increasing
  • C. maximum
  • D. negative
  • E. zero
View Answer & Discuss NECO 2005
3160
The variance of a given set of numbers is defined as the
  • A. absolute value of the standard deviation
  • B. square of the standard deviation
  • C. square root of the standard deviation
  • D. square of the mean deviation
  • E. square root of the mean deviation
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Post-UTME Past Questions - Original materials are available here - Download PDF for your school of choice + 1 year SMS alerts
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