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A sociologist wanted to determine whether there was a difference in the amount of time children aged 5-7 spent watching tv. check the following data for evidence that the number of minutes spent watching tv is equally distributed throughout the week. The data is shown graphically below. Use a=0.01

day number of minutes
sunday 200
monday 112
tuesday 123
wednesday 130
thursday 160
friday 225
saturday 247

what is the null hypothesis?

a)children spend diffeent amounts of time watching tv each day
b)children spend less than 2.6 hrs a day watching tv
c)children spend the same amount of time watching tv each day
d)children spend more time watching tv on weekends

Find the expected value

a)171
b)120
c)112
d)247

Statistics and Probability, Statistics

  • Category:- Statistics and Probability
  • Reference No.:- M9443953

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