We investigate if a period of time feels longer or shorter when

 

We investigate if a period of time feels longer or shorter when people are bored compared to when they are not bored. Using independent samples, we obtain these estimates of the time period (in minutes): 

 

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Sample 1 (bored): = 14.5, s = 10.22, n = 28

 

Sample 2 (not bored): = 9.0, s = 14.6, n = 34 

 

 

a) What are the null and alternative hypothesis in terms of Ha and Ho 

 

b) Compute t obt 

 

c) With alpha = .05, what is t crit

 

d) What should we conclude about this relationship?

 

e) Using our two approaches, how important is boredom in determining how quickly time seems to pass?