Let X be the hardness measurement of a certain type of iron. A random sample of size n=40 is taken and it is found that the sample mean is 172.3 and sample variance is 100. What is the p-value when testing Ho : μ = 170 H : μ > 170

MATLAB: An Introduction with Applications
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Let X be the hardness measurement of a certain type of iron. A random sample of
size n=40 is taken and it is found that the sample mean is 172.3 and sample variance
is 100. What is the p-value when testing
Ho: μ
Η : μ > 170
0.074
0.05
0.025
0.81
= 170
Transcribed Image Text:Let X be the hardness measurement of a certain type of iron. A random sample of size n=40 is taken and it is found that the sample mean is 172.3 and sample variance is 100. What is the p-value when testing Ho: μ Η : μ > 170 0.074 0.05 0.025 0.81 = 170
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