Estimate population mean HSS.IC.B.4 Grade 10 ACTASPIRE Practice Test Questions TOC | Lumos Learning

Estimate population mean HSS.IC.B.4 Question & Answer Key Resources Lumos StepUp High School Algebra 2 - Workbooks and Online Assessments

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A restaurant claims people can eat at their establishment for $10 or less per person. A survey company asked 50 random people exiting the restaurant what they paid for their meal. The mean response was $9.67 per person with a standard deviation of $1.42. Given the table below that shows the common z-scores. Based on the analysis of these responses, what is the 95% confidence interval of the mean cost of a meal at the restaurant?

Resource: Question

Question Type: Multiple Choice - Single Answer

Standard(s):HSS.IC.B.4

Standard Description: Use data from a sample survey to estimate a population mean or proportion; develop a margin of error through the use of simulation models for random sampling.

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