Find the appropriate critical value for a 86% confidence interval for a population mean that is...
Find the appropriate critical value for a 86% confidence interval for a population mean that is based on 7 observations. Round your answer to three decimal places, e.g., 0.123.
Homework Answers
solution
n = 7
Degrees of freedom = df = n - 1 = 7 - 1 = 6
a ) At 86% confidence level the t is ,
= 1 - 86% = 1 - 0.86 = 0.14
/
2 = 0.14 / 2 = 0.07
t
/2,df = t0.07,6 =1.700
answer = 1.700
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