A female grizzly bear weighs 500 pounds. After hibernating for 6 months, she weighs only 200 pounds. What is the mean change in weight per month?
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To find the mean change in weight per month, we need to calculate the difference in weight before and after hibernation and then divide it by the number of months.
The difference in weight is the initial weight minus the weight after hibernation:
Difference in weight = 500 pounds - 200 pounds = 300 pounds
The duration of hibernation is 6 months.
Now, to find the mean change in weight per month, divide the difference in weight by the duration of hibernation:
Mean change in weight per month = Difference in weight / Duration of hibernation
Mean change in weight per month = 300 pounds / 6 months = 50 pounds
Therefore, the mean change in weight per month for the female grizzly bear is 50 pounds.