Essay
A PTA group wishes to determine whether a barrage of letters sent to the local station has reduced the amount of violence broadcast between the hours of 4 P.M. and 9 P.M. The results of a survey of viewers are given here. 
Carry out a sign test to determine whether or not the letters were effective in reducing the amount of violence during the 4 to 9 p.m. period. Use a .05 level of significance. Be sure to state the null and alternative hypotheses.
Correct Answer:
Verified
H0: p = 0.5
Ha: p 
0.5...View Answer
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Correct Answer:
Verified
Ha: p
0.5...View Answer
Unlock this answer now
Get Access to more Verified Answers free of charge
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