startup costs (in thousands of dollars) for a random sample ofcandy stores are g

Question

startup costs (in thousands of dollars) for a random sample ofcandy stores are given below.
95 173 129 95 75 94 116 100 85
use a calculator with mean and sample standard deviation keysto verify that x (x bar) = 106.9 thousand dollars and s= 29.4 inthousands of dollars. find a 90% (1.645) confidence interval forthe population average startup costs for candy storefranchises
95 173 129 95 75 94 116 100 85
use a calculator with mean and sample standard deviation keysto verify that x (x bar) = 106.9 thousand dollars and s= 29.4 inthousands of dollars. find a 90% (1.645) confidence interval forthe population average startup costs for candy storefranchises

Explanation / Answer

The 90% CI is xbar±Z*s/n -->106.9±1.645*29.4/sqrt(9) -->( 90.779,123.021)

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