Mathematics, 14.08.2020 02:01 victoriay3
A salon and spa chain periodically analyzes its service times to check for variation in service processes using x-bar and R charts. Daily random samples, each containing service times observed with eight different customers are collected. The average mean and the average range of the service times for the past week were 27.2 and 3.76 minutes, respectively. The value of D4 for a sample size of eight is 1.864. What is the upper control limit (UCL) for the R-chart
Answers: 3
Mathematics, 21.06.2019 14:30
The sum of two numbers is 58. the first number is 8 less than half the second number. let c represent the first number. let drepresent the second number. which statements about solving for the two numbers are true? check all that apply.the equation  represents the sum of the two numbers.the equation  represents the sentence “the first number is 8 less than half the second number.”the equation  represents the relationship between the two numbers.the equation  represents the sum of the two numbers.the number d is 14.the number c is 44.the number c is 14.the number d is 44.
Answers: 1
Mathematics, 21.06.2019 18:00
Rosy waxes 2/3 of her car with 1/4 bottle of car wax.at this rate,what fraction of the bottle of car wax will rosey use to wax her entire car
Answers: 1
Mathematics, 21.06.2019 20:30
1. evaluate 8x(2)y9(-2) for x=-1 and y=2 2. simplify the equation. -() 3. simplify the expression. [tex]\frac{5}{x(-2) y9(5)}[/tex]
Answers: 1
A salon and spa chain periodically analyzes its service times to check for variation in service proc...
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