Hypothesis Testing 1 Answers 1a) No, H0 must be = b) No, must use parameter  c) Yes 2a) H0: = 170 Where is the true mean cholesterol level   Ha: < 170 in Japanese children  b) H0: = 30 Where is the true mean nitrate concentration   Ha: > 30 in the water  c) H0: = 2.6 Where is the true mean response time of   Ha: 2.6 service technicians  d) H0: = 42,500 Where is the true mean household   Ha: > 42,500 income of mall shoppers  e) H0: = 5 Where is the true mean diameter of the   Ha: 5 spindles  3 yes, due to large sample size
Hypothesis Testing 1 Answers 1a) No, H0 must be = b) No, must use parameter  c) Yes 2a) H0:  = 170 Where  is the true mean cholesterol level Ha:  < 170 in Japanese children b) H0:  = 30 Where  is the true mean nitrate concentration Ha:  > 30 in the water c) H0:  = 2.6 Where  is the true mean response time of Ha:  2.6 service technicians d) H0:  = 42,500 Where  is the true mean household Ha:  > 42,500 income of mall shoppers e) H0:  = 5 Where  is the true mean diameter of the Ha:  5 spindles 3 yes, due to large sample size