Question: 5. The following data give the drying time (in hours) for 10 randomly selected concrete slabs: 9.06 9.17 9.11 8.16 9.10 9.98 8.89 9.02 9.32

5. The following data give the drying time (in hours) for 10 randomly selected concrete slabs:

9.06 9.17 9.11 8.16 9.10 9.98 8.89 9.02 9.32 8.12 Assuming that drying times are normally distributed, determine a 95% confidence interval for the mean drying time for the slabs.

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