Use a calculator with sample mean and standard deviation keys to find x and s. (Round your answers to two decimal places.) x= s=   b) Does this information indicate that the population average HC for this patient is higher than 14? Use ? = 0.01. ?   c) What is the value of the sample test statistic? (Round your answer to three decimal places.) ?

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 14PPS
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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 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.
16 18 16 20 15 12 15 16 16 10
 
(a)
Use a calculator with sample mean and standard deviation keys to find x and s. (Round your answers to two decimal places.)
x=
s=
 
b) Does this information indicate that the population average HC for this patient is higher than 14? Use ? = 0.01. ?
 
c) What is the value of the sample test statistic? (Round your answer to three decimal places.) ?
 
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