An industrial psychologist conducted an experiment in which 40 employees that were identified as “chronically tardy”...
An industrial psychologist conducted an experiment in which 40 employees that were identified as “chronically tardy” by their managers were divided into two groups of size 20. Group 1 participated in the new “It’s Great to be Awake!” program, while Group 2 had their pay docked. The following data represent the number of minutes that employees in Group 1 were late for work after participating in the program.
114, 122, 137, 141, 137, 153, 138, 173, 128, 131, 143, 119, 128, 143, 148, 149, 149, 150, 121, 143 Determine whether the sample data could have come from a population that is normally distributed. Explain how you know.
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Homework Answers
From the given data
R code
Normal probability plot
From the above normal probability plot,
All the points are along the straight line,
Hence we conclude that the given data is from the normally distributed population.
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An industrial psychologist conducted an experiment in which 40
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On May 3, 2020, Leven Corp. negotiated a short-term loan of
$780,000. The loan is due October 1, 2020, and carries a 6.20%
interest rate. Use ordinary interest to calculate the interest.
What is the total amount Leven would pay on the maturity date? (Use
Days in a year table.) (Do not round intermediate calculations.
Round your answer to the nearest cent.)
TABLE 7-1 Exact days-in-a-year calendar (excluding leap year) 31 Day of month Dec. 31 Jan 1 2 3...
On May 3, 2020, Leven Corp. negotiated a short-term loan of
$900,000. The loan is due October 1, 2020, and carries a 7.00%
interest rate. Use ordinary interest to calculate the
interest.
What is the total amount Leven would pay on the maturity date? (Use
Days in a year table.) (Do not round intermediate
calculations. Round your answer to the nearest
cent.)
TABLE 7-1 Exact days-in-a-year calendar (excluding leap year) 31 Day of month Dec. 31 Jan 1 2 3...
Zippy, LLC has one employee who has worked January - June of the current year. The employee is single, paid weekly, and claims three allowances on her W-2. The company is in a state that has no state income taxes. The FICA Social Security tax rate is 6.2% on the first $118.500 of wages and the FICA Medicare tax rate is 1.45% on all wages. Zippy, LLCS FUTA tax rate is 0.6% on the first $7,000 of wages and their...
Zion, Inc. has one employee who has worked January - June of the current year. The employee is single, paid weekly, and claims three allowances on her W-2. The company is in a state that has no state income taxes. The FICA Social Security tax rate is 6.2 % on the first $118,500 of wages and the FICA Medicare tax rate is 1.45% on all wages. Zion, Inc.'s FUTA tax rate is 0.6 % on the first $7,000 of wages...
what should line 155 and 156 say?
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