Question
The mean salary at a local industrial plant is $27500 with a standard deviation of $5400. The median salary is $25500 and the 61 st
The mean salary at a local industrial plant is $27500 with a standard deviation of $5400. The median salary is $25500 and the 61st percentile is $28100.
Based on the given information, determine if the following statement is true or false.
a. Approximately 61%61% of the salaries are less than or equal to $28,100
b. Joe's salary of $34,520 is 1.30 standard deviations above the mean.
c. The percentile rank of $25,900 is 50.
d. Approximately 11%11% of the salaries are between $25,500 and $28,100.
e. If Tom's salary has a z-score of 0.9, how much does he earn (in dollars)?
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