Let x be a random variable that represents hemoglobin count (HC) in grams per 100 milliliters of whole blood. Then x has a distribution that is approximately normal, with a population mean of about 14 for healthy adult women. Suppose that a female patient has taken 10 laboratory blood tests during the past year. The HC data sent to the patient's doctor are as follows.15181520151314181610(i) Use a calculator with sample mean and standard deviation keys to find x and s. (Round your answers to two decimal places.)x= s= (ii) Does this information indicate that the population average HC for this patient is higher than 14? Use α = 0.01.(a) What is the level of significance?' (b) What is the value of the sample test statistic? (Round your answer to three decimal places.)

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Description: Let x be a random variable that represents hemoglobin count (HC) in grams per 100 milliliters of whole blood. Then x has a distribution that is approximately normal, with a population mean of about 14 for healthy adult women. Suppose that a female pa

(i) The mean value for the given sample observations is 15.4 and it is calculated by using Excel…

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Let x be a random variable that represents hemoglobin count (HC) in grams per 100 milliliters of whole blood. Then x has a distribution that is approximately normal, with a population mean of about 14 for healthy adult women. Suppose that a female patient has taken 10 laboratory blood tests during the past year. The HC data sent to the patient's doctor are as follows.

(i) Use a calculator with sample mean and standard deviation keys to find x and s. (Round your answers to two decimal places.)

x	=
s	=

(ii) Does this information indicate that the population average HC for this patient is higher than 14? Use α = 0.01.

(a) What is the level of significance?'

(b) What is the value of the sample test statistic? (Round your answer to three decimal places.)

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