Question: When calculating an 90% confidence interval for a population mean from a sample of size 9, what t value should be used? Assume the conditions

When calculating an 90% confidence interval for a population mean from a sample of size 9, what t value should be used? Assume the conditions are satisfied.

(a) 0.900

(b) 1.383

(d) 1.833

(e) 1.860

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