A simple random sample of 43 adults is obtained from a normally distributed population, and each person's red blood cell count (in c microliter) is measured. The sample mean is 5.29 and the sample standard deviation is 0.55. Use a 0.01 significance level and the g calculator display to test the claim that the sample is from a popula with a mean less than 5.4, which is a value often used for the uppe f the ro velues What de the Sulte Suggost about

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A simple random sample of 43 adults is obtained from a normally
distributed population, and each person's red blood cell count (in cells per µ<5.4
microliter) is measured. The sample mean is 5.29 and the sample
standard deviation is 0.55. Use a 0.01 significance level and the given
calculator display to test the claim that the sample is from a population
with a mean less than 5.4, which is a value often used for the upper limit
of the range of normal values. What do the results suggest about the
sample group?
t = - 1.311487705
p= 0.0984087452
x = 5.29
Sx = 0.55
n = 43
What are the null and alternative hypotheses?
Transcribed Image Text:lume in T-Test A simple random sample of 43 adults is obtained from a normally distributed population, and each person's red blood cell count (in cells per µ<5.4 microliter) is measured. The sample mean is 5.29 and the sample standard deviation is 0.55. Use a 0.01 significance level and the given calculator display to test the claim that the sample is from a population with a mean less than 5.4, which is a value often used for the upper limit of the range of normal values. What do the results suggest about the sample group? t = - 1.311487705 p= 0.0984087452 x = 5.29 Sx = 0.55 n = 43 What are the null and alternative hypotheses?
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