Measuring Melting Point. The National Institute of Standards and Ted nology (NIST) supplies "standard materials" whose physical properties ae supposed to be known. For example, you can buy from NIST a copper sample whose melting point is certified to be 1084.80°C. Of course, no measur value z* mark ment is exactly correct. NIST knows the variability of its measurements ven well, so it is quite realistic to assume that the population of all measu of the same sample has the Normal distribution with mean u eouale true melting point and standard deviation o = ments on the same copper sample, which is supposed to have melting poi 1084.80°C: ln MELT :0.25°C. Here are six measu 1084.55 1084.89 1085.02 1084.79 1084.69 1084.86 NIST wants to give the buyer of this copper sample a 90% confide nterval for its true melting point. What is this interval? Follow the four- rocess as illustrated in Example 16.3.
Measuring Melting Point. The National Institute of Standards and Ted nology (NIST) supplies "standard materials" whose physical properties ae supposed to be known. For example, you can buy from NIST a copper sample whose melting point is certified to be 1084.80°C. Of course, no measur value z* mark ment is exactly correct. NIST knows the variability of its measurements ven well, so it is quite realistic to assume that the population of all measu of the same sample has the Normal distribution with mean u eouale true melting point and standard deviation o = ments on the same copper sample, which is supposed to have melting poi 1084.80°C: ln MELT :0.25°C. Here are six measu 1084.55 1084.89 1085.02 1084.79 1084.69 1084.86 NIST wants to give the buyer of this copper sample a 90% confide nterval for its true melting point. What is this interval? Follow the four- rocess as illustrated in Example 16.3.
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![nology (NIST) supplies "standard materials" whose physical propertie a
L6 Measuring Melting Point. The National Institute of Standards and Tec-
ment is exactly correct. NIST knows the variability of its measurements ven
supposed to be known. For example, you can buy from NIST a copper sample
whose melting point is certified to be 1084.80°C. Of course, no measure
well, so it is quite realistic to assume that the population of all measuremens
Include in your
ite
value z* marked on the axis. wor
are
whose melting point is certified to be 1084.80°C. Of course n sample
ment is exactly correct. NIST knows the variability of its measuremen
well so it is quite realistic to assume that the population of all measuren
of the same sample has the Normal distribution with mean µ egual to d
= 0.25°C. Here are six mea
to
true melting point and standard deviation o =
ments on the same copper sample, which is supposed to have melting nim
1084.80°C: M MELT
sure
1084.55 1084.89
1085.02 1084.79
1084.69 1084.86
NIST wants to give the buyer of
interval for its true melting point. What is this interval? Follow the fourstr;
process as illustrated in Example 16.3. TB
this copper sample a 90% confidene](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fd955a64d-1d84-4c4c-a975-e65e2fa2eacb%2F712c6209-4db3-487d-8f2e-626c20df4cd8%2F4vojrym_processed.jpeg&w=3840&q=75)
Transcribed Image Text:nology (NIST) supplies "standard materials" whose physical propertie a
L6 Measuring Melting Point. The National Institute of Standards and Tec-
ment is exactly correct. NIST knows the variability of its measurements ven
supposed to be known. For example, you can buy from NIST a copper sample
whose melting point is certified to be 1084.80°C. Of course, no measure
well, so it is quite realistic to assume that the population of all measuremens
Include in your
ite
value z* marked on the axis. wor
are
whose melting point is certified to be 1084.80°C. Of course n sample
ment is exactly correct. NIST knows the variability of its measuremen
well so it is quite realistic to assume that the population of all measuren
of the same sample has the Normal distribution with mean µ egual to d
= 0.25°C. Here are six mea
to
true melting point and standard deviation o =
ments on the same copper sample, which is supposed to have melting nim
1084.80°C: M MELT
sure
1084.55 1084.89
1085.02 1084.79
1084.69 1084.86
NIST wants to give the buyer of
interval for its true melting point. What is this interval? Follow the fourstr;
process as illustrated in Example 16.3. TB
this copper sample a 90% confidene
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