Show transcribed image text Test Statistics. In Exercises 13-16, refer to the exercise identified and find the value of the test statistic. (Refer to Table 8-2 on page 389 to select the correct expression for evaluating the test statistic.) ta', 14, Exercise 6 "Cell Phone" 6. Cell Phone Claim: Fewer than 95% of adults have a cell phone. In a Marist poll of 1128 adults, 87% said that they have a cell phone. 7: Parameter Sampling Distribution Normal (z) Requirements np 5 and nq Test Statistic Proportion p 5 Î²-p Ïƒ not known and normally t–Î¼ Mean Î¼ distributed population or Ïƒnot known and n > 30 Ïƒ known and normally distributed population or Ïƒknown and n > 30 Strict requirement: normally distributed population Vn Normal (z) Mean Î¼ x2 St.dev. Ïƒ or variance Ïƒ2 PiC.cOLLAGE

Test Statistics. In Exercises 13-16, refer to the exercise identified and find the value of the test statistic. (Refer to Table 8-2 on page 389 to select the correct expression for evaluating the test statistic.) ta', 14, Exercise 6 "Cell Phone" 6. Cell Phone Claim: Fewer than 95% of adults have a cell phone. In a Marist poll of 1128 adults, 87% said that they have a cell phone. 7: Parameter Sampling Distribution Normal (z) Requirements np 5 and nq Test Statistic Proportion p 5 Î²-p Ïƒ not known and normally t–Î¼ Mean Î¼ distributed population or Ïƒnot known and n > 30 Ïƒ known and normally distributed population or Ïƒknown and n > 30 Strict requirement: normally distributed population Vn Normal (z) Mean Î¼ x2 St.dev. Ïƒ or variance Ïƒ2 PiC.cOLLAGE