UMass Amherst PHYSICS 132  Physics 132 Lab Prep HW Thickness of a Hair (2 pages)
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Physics 132 Lab Prep HW Thickness of a Hair
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 School:
 University of Massachusetts Amherst
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 Physics 132  Intro Physics II
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Physics 132 Lab Prep HW Thickness of a Hair What is the measurement on the caliper in mm Answer 17 25 What is the measurement on the caliper in mm Answer 6 55 Which of the following is an appropriate null hypothesis for this alternative hypothesis Taking Prilaxene results in a increase in heart rate b Taking Prilaxene does not result in an increase in heart rate Which of the following is an appropriate alternative hypothesis for this null hypothesis Increased sodium consumption does not affect sweat production a Increased sodium consumption decreases sweat production c Increased sodium consumption increases sweat production d Increased sodium consumption results in a change in sweat production Answer A C D How many degrees of freedom are there for a two sample t test with a sample size of 7 Answer 6 How many degrees of freedom are there for a one sample t test with a sample size of 3 Answer 2 Which of the following t values fall under p 0 05 for two tailed t test with 6 degrees of freedom Use this link to T distribution tables http www statisticshowto com tables t distribution table Select one or more a 2 69 c 2 45 d 3 10 Answer A C D Which of the following t values fall under p 0 05 for two tailed t test with 15 degrees of freedom Use this link to T distribution tables http www statisticshowto com tables t distribution table Select one or more b 2 32 c 2 82 d 3 10 Answer B C D Which of the following hypotheses require a two tailed t test b Caffeine consumption has no effect on hair growth Which of the following hypotheses require a one tailed t test Select one or more a Petting dogs does not result in lower exam scores c Increased green gas emissions results in a higher global temperature Answer A C
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