Question: Question 2 Following data gives the amount that a sample of 10 customers spent for lunch ($) at a fast food restaurant: $8.50, $7, $5.80,$9,$5.60,$7.80,$6.50,$5.40,$7.50,$5.50

Question 2

Following data gives the amount that a sample of 10 customers spent for lunch ($) at a fast food restaurant:

$8.50, $7, $5.80,$9,$5.60,$7.80,$6.50,$5.40,$7.50,$5.50

Construct a 90% confidence interval estimate for the population mean amount spent on lunch at the fast food restaurant and interpret it.

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