Question
Box & Co is studying the income of store managers in the retail industry. A random sample of 49 managers reveals a sample mean of
Box & Co is studying the income of store managers in the retail industry. A random sample of 49 managers reveals a sample mean of $45,420. The standard deviation of this population is $2,050. The company would like answers to the following questions:
a)What is the population mean?(2 marks)
b)What is the reasonable range of values for the population mean if the company wants it to be 98% correct?(5 marks)
c)How do we interpret these results?(2 marks)
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Sacred Mathematics Japanese Temple Geometry
Authors: Fukagawa Hidetoshi, Tony Rothman, Freeman Dyson
1st Edition
1400829712, 9781400829712
