Answered: 20,17,15,15,22,21,16,16,20,22,15,21…

Big Ideas Math A Bridge To Success Algebra 1: Student Edition 2015

1st Edition

ISBN:9781680331141

Author:HOUGHTON MIFFLIN HARCOURT

Publisher:HOUGHTON MIFFLIN HARCOURT

Chapter9: Solving Quadratic Functions

Section: Chapter Questions

Problem 4CA

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Question

Let x represent the hemoglobin count (HC) in grams per 100 milliliters of whole blood. The distribution for HC is approximately normal with μ = 14 for healthy adult women. Suppose that a female patient has taken 12 laboratory blood samples in the last year. The HC data sent to her doctor is listed below. We would like to know if the data indicates this patient has significantly high HC compared to the population.

20,17,15,15,22,21,16,16,20,22,15,21

Give the test statistic for this hypothesis test. Choose the correct answer from below options:

a) z = 17.92

b) t = −5.17

c) t = 2.90

d) t = 5.17

e) z = −2.90

f) z = 5.17

g) t = −17.92

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