21 randomly selected Ontario men gave an average foot size of 10.7 inches with a standard deviation of 1.5 inches. We want to develop a 96% confidence interval for the true mean foot size of Ontario men. The critical value from the table for this confidence interval is:     1.844     2.197     1.75     2.05

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21 randomly selected Ontario men gave an average foot size of 10.7 inches with a standard deviation of 1.5 inches. We want to develop a 96% confidence interval for the true mean foot size of Ontario men. The critical value from the table for this confidence interval is:
   
1.844
   
2.197
   
1.75
   
2.05
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