Assume normal distribution and a 5 level of significance

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You measure the weight of 5 small birds for two years, these are the results:

Bird year 1 year 2
1 512 500
2 510 490
3 508 497
4 513 483
5 507 480

Assume normal distribution and a 5% level of significance do a hypothesis test and calculate if the standard deviation is different between the years.

Reference no: EM13579974

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