Question: The following data are from a simple random sample (The population is infinite): Data were collected on the amount spent by 119 customers for lunch

The following data are from a simple random sample (The population is infinite): Data were collected on the amount spent by 119 customers for lunch at a major Houston restaurant. Based upon past studies the population variance is known with 189. Sample Mean: $21.5 Find the standard error of the mean. Use 2 decimals in your answer Z-TABLE z 0.00 -3.6.0002 -3.5 .0002 .0003 -3.3 .0005 -32 .0007 -3.1.0010 -3.0 0013 -29 0019 0.01 .0002 .0002 .0003 .0005 0007 .0009 0013 0018 0.02 0001 .0002 -0003 0005 .0006 .0009 .0013 .0018 0.03 0001 0002 .0003 0004 .0006 .0009 0012 0017 0.04 .0001 .0002 .0003 .0004 .0006 .0008 .0012 .0016 0.05 .0001 .0002 0003 .0004 .0006 .0008 .0011 .0016 0.06 0001 .0002 .0003 .0004 .0006 0008 .0011 0015 0.07 .0001 .0002 0003 .0004 0.08 .0001 .0002 .0003 .0004 .0005 0007 .0010 .0014 0.09 .0001 .0002 .0002 .0003 .0005 .0007 .0010 0014 0005 .0008 0011 0015

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