The confidence interval for the mean amount of money spent on groceries each week is 124$ to 139.50$ what is the estimated mean and margin of error

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thuthuy · Answer

The  mean  amount of money spent on groceries each week is 131.8.    The  margin of error  is 0.05.    How to calculate the mean?  From the information, the  confidence   interval  for the mean amount of money spent on groceries each week is $124 to $139.50$.    Given that money spent on groceries week is 124 to 139.50, the estimated  mean  will be:  = (124 + 139.50) / 2  = 131.80    And here the  margin of error  can be given by:  = [(124 + 139.5) / 2] - 131.8  = 0.05    Learn more about  mean  on:  https://brainly.com/question/1136789    #SPJ1

How to calculate the mean?

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