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Let X be a random variable that represents red blood cell count (RBC) in millions of cells per cubic millimeter of whole blood. Then X has a distribution that is approximately normal. For the population of healthy female adults, suppose the mean of the X distribution is about 4.84. Suppose that a female patient has taken six laboratory blood tests over the past several months and that the RBC count data sent to the patient's doctor are as follows. 4.4 4.8 4.8 4.6 4.5 4.5 (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) Do the given data indicate that the population mean RBC count for this patient is lower than 4.84? Use a = 0.05. (a) State the null hypotheses Ho and the alternate hypothesis H₁. Ho: ---Select--- H₁: (b) What is the value of the sample test statistic? (Round your answer to three decimal places.) ---Select--- 8 (c) Compute the P-value. (Round your answer to four decimal places.)

Let X be a random variable that represents red blood cell count (RBC) in millions of cells per cubic millimeter of whole blood. Then X has a distribution that is approximately normal. For the population of healthy female adults, suppose the mean of the X distribution is about 4.84. Suppose that a female patient has taken six laboratory blood tests over the past several months and that the RBC count data sent to the patient's doctor are as follows. 4.4 4.8 4.8 4.6 4.5 4.5 (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) Do the given data indicate that the population mean RBC count for this patient is lower than 4.84? Use a = 0.05. (a) State the null hypotheses Ho and the alternate hypothesis H₁. Ho: ---Select--- H₁: (b) What is the value of the sample test statistic? (Round your answer to three decimal places.) ---Select--- 8 (c) Compute the P-value. (Round your answer to four decimal places.)

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.5: Comparing Sets Of Data
Problem 4CYU
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HW 22 #11 STEP BY STEP DONT USE EXCEL
Let X be a random variable that represents red blood cell count (RBC) in millions of cells per cubic millimeter of whole blood. Then X has a distribution that is approximately normal. For the population of healthy female adults, suppose the mean of the X distribution is about 4.84. Suppose that a female patient has taken six laboratory blood tests over the past several months and that the RBC count data sent to the patient's doctor are as follows. 4.4 4.8 4.8 4.6 4.5 4.5 (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) Do the given data indicate that the population mean RBC count for this patient is lower than 4.84? Use a = 0.05. (a) State the null hypotheses Ho and the alternate hypothesis H₁. Ho: ---Select--- H₁ H ---Select--- (b) What is the value of the sample test statistic? (Round your answer to three decimal places.) (c) Compute the P-value. (Round your answer to four decimal places.)
Transcribed Image Text:Let X be a random variable that represents red blood cell count (RBC) in millions of cells per cubic millimeter of whole blood. Then X has a distribution that is approximately normal. For the population of healthy female adults, suppose the mean of the X distribution is about 4.84. Suppose that a female patient has taken six laboratory blood tests over the past several months and that the RBC count data sent to the patient's doctor are as follows. 4.4 4.8 4.8 4.6 4.5 4.5 (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) Do the given data indicate that the population mean RBC count for this patient is lower than 4.84? Use a = 0.05. (a) State the null hypotheses Ho and the alternate hypothesis H₁. Ho: ---Select--- H₁ H ---Select--- (b) What is the value of the sample test statistic? (Round your answer to three decimal places.) (c) Compute the P-value. (Round your answer to four decimal places.)
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