A researcher claims that a post-lunch nap decreases the amount of time it takes males to sprint 20 meters after a night with only 4 hõurs of sleep. amounts of time (in seconds) it took for 10 males to sprint 20 meters after a night with only 4 hours of sleep when they did not take a post-lunch nap and when they did take a post-lunch nap. At a = 0.01, is there enough evidence to support the researcher's claim? Assume the samples are random and dependent, and the population is normally distributed. Complete parts (a) through (e) below. 1 3 4 6 8 9 10 Male Sprint time (without nap) Sprint time (with nap) 3.98 3.92 4.09 3.93 4.06 4.01 4.03 4.09 4.01 3.96 3.84 3.85 4.00 3.88 4.04 3.88 3.87 3.97 3.92 3.82 (b) Find the critical value(s) and identify the rejection region(s). Select the correct choice below and fill in any answer boxes to complete your choice. (Round to three decimal places as needed.) O A. t< or t> O B. t< OC. t> 2.821 (c) Calculate d and sg. d = 0.101 (Round to three decimal places as needed.) Calculate sa. Sa = 0.012 (Round to three decimal places as needed.)

A researcher claims that a post-lunch nap decreases the amount of time it takes males to sprint 20 meters after a night with only 4 hõurs of sleep. amounts of time (in seconds) it took for 10 males to sprint 20 meters after a night with only 4 hours of sleep when they did not take a post-lunch nap and when they did take a post-lunch nap. At a = 0.01, is there enough evidence to support the researcher's claim? Assume the samples are random and dependent, and the population is normally distributed. Complete parts (a) through (e) below. 1 3 4 6 8 9 10 Male Sprint time (without nap) Sprint time (with nap) 3.98 3.92 4.09 3.93 4.06 4.01 4.03 4.09 4.01 3.96 3.84 3.85 4.00 3.88 4.04 3.88 3.87 3.97 3.92 3.82 (b) Find the critical value(s) and identify the rejection region(s). Select the correct choice below and fill in any answer boxes to complete your choice. (Round to three decimal places as needed.) O A. t< or t> O B. t< OC. t> 2.821 (c) Calculate d and sg. d = 0.101 (Round to three decimal places as needed.) Calculate sa. Sa = 0.012 (Round to three decimal places as needed.)

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Description: A researcher claims that a post-lunch nap decreases the amount of time it takes males to sprint 20 meters after a night with only 4 hours of sleep. The lable snoWSamounts of time (in seconds) it took for 10 males to sprint 20 meters after a night wi

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018

18th Edition

ISBN:9780079039897

Author:Carter

Publisher:Carter

Chapter9: Quadratic Functions And Equations

Section9.4: Solving Quadratic Equations By Factoring

Problem 2GP

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