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  3. 3. take the mean and standard deviation of data se

3. Take the mean and standard deviation of data set A calculated in problem 1 and...

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Statistics

3. Take the mean and standard deviation of dataset A calculated in problem 1 and assume that they are populationparameters (μ and σ) known for the variable fish length in apopulation of rainbow trouts in the Coldwater River. Imagine thatdata set B is a sample obtained from a differentpopulation in Red River (Chapter 6 problem!).

  1. Conduct a hypothesis test to see if the mean fish length in theRed River population is different from the population in ColdwaterRiver.
  2. Conduct a hypothesis test to see if the variance in fish lengthis different in the Red River population compared to the variancein the Coldwater population.

Dataset A

Dataset B+0.5

48.79

53.32

49.72

51.74

49.71

51.98

49.59

52.02

49.59

51.91

51.12

51.62

50.67

50.93

51.02

50.08

50.94

51.19

Mean

50.234

51.7

S.D

0.847128

0.931557835

Variance

0.717626

0.8678

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