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In order for you to present numerical results in decimal form accurate to 0.01, it will...

In order for you to present numerical results in decimal form accurate to 0.01, it will be necessary for your intermediate calculations to be accurate to 0.001.

The mean age for King's College students for a recent Fall term was   29.8 . Suppose that   22   Winter students were randomly selected. The mean age for the sample was   31.7 . The sample standard deviation equals   12 . We are interested in the true mean age for Winter King's College students.


  x¯=   

  s=   

The standard error for   x¯=   

The   t   value for a   95%   confidence interval is   


Construct a   95%   confidence interval for the sample mean. Fill in the blanks to clarify the following diagram.

LL   (lower limit)   =       UL   (upper limit)   =    

Is the mean age for the Fall term within our   95%   confidence interval for the mean age for the Winter term?    (pick one) YES NO

Math   Statistics-And-Probability   
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