The manager of a pub takes a random sample of 12 tables served during the course of an evening and records the total value of the cheque for each table: 62 70 54 36 32 40 64 65 79 69 35 61 T-Distribution Table a. Calculate the sample mean and standard deviation. x̄ = x̄ = Round to the nearest cent s=s= Round to the nearest cent b. Construct a 90% confidence interval for the mean value of the cheque per table that evening. < μ < < μ < Round to the nearest cent

The manager of a pub takes a random sample of 12 tables served during the course of an evening and records the total value of the cheque for each table: 62 70 54 36 32 40 64 65 79 69 35 61 T-Distribution Table a. Calculate the sample mean and standard deviation. x̄ = x̄ = Round to the nearest cent s=s= Round to the nearest cent b. Construct a 90% confidence interval for the mean value of the cheque per table that evening. < μ < < μ < Round to the nearest cent

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018

18th Edition

ISBN:9780079039897

Author:Carter

Publisher:Carter

Chapter10: Statistics

Section10.5: Comparing Sets Of Data

Problem 14PPS

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Question

The manager of a pub takes a random sample of 12 tables served during the course of an evening and records the total value of the cheque for each table: