Question 6 A jewelry designer claims that women have wrist breadths with a mean equal to 5 cm. A simple random sample of the wrist of 49 women has a mean of 5.07 cm. Assume that the distribution is normal and population standard deviation is 0.35 cm. What is the value of test statistic for this testing? z = 3

Advanced Engineering Mathematics
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Chapter2: Second-order Linear Odes
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Question 6
A jewelry designer claims that women have wrist breadths with a mean equal to 5 cm. A simple random sample of the wrist of 49 women has a mean of
5.07 cm. Assume that the distribution is normal and population standard deviation is 0.35 cm. What is the value of test statistic for this testing?
z = 3
z = -1.4
z = 1.4
Ot=1.4
Transcribed Image Text:Question 6 A jewelry designer claims that women have wrist breadths with a mean equal to 5 cm. A simple random sample of the wrist of 49 women has a mean of 5.07 cm. Assume that the distribution is normal and population standard deviation is 0.35 cm. What is the value of test statistic for this testing? z = 3 z = -1.4 z = 1.4 Ot=1.4
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