he government wants to carry out similar survey next year. If the error of a point estimate of the mean is not more than $1.5, use the 97% confidence level to determine the sample size required to achieve this error

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The government wants to carry out similar survey next year. If the error of a point estimate of the mean is not more than $1.5, use the 97% confidence level to determine the sample size required to achieve this error.

1. A survey has been conducted recently to study the hourly wages of part-time employees at the Food
Delivery services sector. The result was organized into the following frequency distribution.
Hourly Wages
Number of Part-time Employees
$40 – less than $50
12
$50 – less than $60
26
$60 – less than $70
35
$70 – less than $80
17
$80 – less than $90
8
$90 – less than $100
Transcribed Image Text:1. A survey has been conducted recently to study the hourly wages of part-time employees at the Food Delivery services sector. The result was organized into the following frequency distribution. Hourly Wages Number of Part-time Employees $40 – less than $50 12 $50 – less than $60 26 $60 – less than $70 35 $70 – less than $80 17 $80 – less than $90 8 $90 – less than $100
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