Chapter Seven - Miami Dade College - 90 confidence level t value

The width of the 90% confidence interval for μ is smaller than that of the 95% confidence interval. This is so because the value of t for a 90% confidence level is smaller than that for a 95% confidence level (with df remaining the same). c. and t = 2.064 The 95% confidence interval for μ is: to 72.17 ................
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