Question
In: Statistics and Probability
The relative humidity in a greenhouse is expected to be between 64.5 and 84.7 %. Random...
The relative humidity in a greenhouse is expected to be between 64.5 and 84.7 %. Random samples were taken over a span of one week yield the following values: 60.5,78.2,70.5,84.7,81.3, 80.0, 85.2, 60.5, 88.7, 75.6 (in %).
a/ Find and interpret the process capability index.
b/ Explain what do CPU and CPL stand for? How do CPU and CPL affect the process mean?
c/ Assuming that the process standard deviation cannot be reduced. if we increase the CPL to 1, what should be the target value of the process mean? How's about decreasing to 0?
Solutions
orchestra answered 2 years agoRelated Solutions
The relative humidity in a greenhouse is expected to be between 65 and 85 %. Random...
The relative humidity in a greenhouse is expected to be between
65 and 85 %. Random samples taken over a span of one week yield the
following values: 60,78,70,84,81,80,85, 60, 88, and 75. Find and
interpret the process capability index Cp and
Cpk.
If at 30F the air has 25% relative humidity, what is the relative humidity at 70F...
If at 30F the air has 25% relative humidity, what is the
relative humidity at 70F and how much moisture must be added to get
it up to 50% relative humidity.
what is the relationship between relative humidity and indoor formaldehyde concentration?
what is the relationship between relative humidity and indoor
formaldehyde concentration?
Relative humidity isn't everything. Why is it that outdoor air of 80 Fo at 55% humidity...
Relative humidity isn't everything. Why is it that outdoor air
of 80 Fo at 55% humidity will feel more “muggy” than a 50 Fo cave
at 75% humidity? What other parameter is a better measure of the
actual amount of moisture in the air, and how do we define it? Then
give two examples of when keeping close track of moisture in the
air is important.
Relative humidity isn't everything. Why is it that outdoor air of 80 Fo at 55% humidity...
Relative humidity isn't everything. Why is it that outdoor air
of 80 Fo at 55% humidity will feel more “muggy” than a 50 Fo cave
at 75% humidity? What other parameter is a better measure of the
actual amount of moisture in the air, and how do we define it? Then
give two examples of when keeping close track of moisture in the
air is important.
On a particular summer day, the temperature is 30 degrees Celsius and the relative humidity is...
On a particular summer day, the temperature is 30 degrees
Celsius and the relative humidity is 80% (which means that the
partial pressure of water vapor in the ambient air is 80% of the
equilibrium vapor pressure of water). A sample of this air is
placed in a 1 Liter flask which is then closed and cooled to 5
degrees Celsius. What is the mass in grams of water that still
exists as vapor in the flask? How much liquid...
) A study of the deflection (mm) of particleboard from stress levels of relative humidity. Assume...
) A study of the deflection (mm) of
particleboard from stress levels of relative humidity. Assume that
the two variables are related according to the simple linear
regression model. The data follow:
Deflection (mm)
Stress Level (%)
16.473
54
18.693
54
14.305
61
15.121
61
13.505
68
11.640
68
11.168
75
12.534
75
11.224
75
Calculate the least square estimates of the slope and
intercept. What is the estimate of σ2? Graph the regression model
and the data?
Find the...
There are 10 m3/s of moist air at 22C and relative humidity of 50% that enter...
There are 10 m3/s of moist air at 22C and relative humidity of
50% that enter a
heating element until its temperature becomes 35C. Determine the
amount of
heat required and the final %Rh of the air.
A polymer chemist studied the effect of relative humidity (RH) on the weight of molded parts...
A polymer chemist studied the effect of relative humidity (RH)
on the weight of molded parts made from a polymer material. The
chemist believes that any weight differences greater than 5 will
have a impact on the end use of the molded part. Use the data from
the study, provided below, to state conclusions about the effect of
relative humidity on the average and variability of the
weight.
70% RH
22.5, 24.2, 24.5, 29.2, 27.5, 24.5, 26.5, 23.5, 25.5, 27.0,...
Air at 38.0°C and 99.0% relative humidity is to be cooled to 16.0°C and fed into...
Air at 38.0°C and 99.0% relative humidity is to be cooled to
16.0°C and fed into a plant area at a rate of 510.0
m3/min. You may assume that the air pressure is 1 atm in
all stages of the process.
Calculate the rate the water condenses in kg/min.
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