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1)Consumers know for fact that on valentine's day, the prices of roses vary with an average standard deviation of P75. A random sample of 23

1)Consumers know for fact that on valentine's day, the prices of roses vary with an average standard deviation of P75. A random sample of 23 buyers was observed. Their purchasing prices yielded a standard deviation of P87. Can we concluded at the 1% level of significance that the prices of roses on Valentine's day show significant increased variability?

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