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Question 18

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Use the following to answer the questions below:
The gas prices for a random sample of n = 10 gas stations in the state of Illinois have a mean of $3.975, with a standard deviation of $0.2266.
-The standard error from the bootstrap distribution is SE = 0.069. Use the normal distribution to construct and interpret a 90% confidence interval for the mean gas price in Illinois. Round all values to two decimal places.


A) $3.86 to $4.09
B) $2.33 to $5.62
C) $3.91 to $4.04
D) $3.75 to $4.21

Correct Answer:

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