SOLUTION: State the claim mathematically. Then write the null and alternative hypothesis. Determine whether the hypothesis test is left-tailed, right-tailed, or two-tailed. a. According

Question 259925: State the claim mathematically. Then write the null and alternative hypothesis. Determine whether the hypothesis test is left-tailed, right-tailed, or two-tailed.
a. According to fans, the mean score of all NBA games during the last season was less than 100 points per game. Test the claim that the mean score was at least 100 points per game. (2 points)
Answer: Claim: the mean score was at least 100 points per game.
H0 : �≥100
Ha : �<100
Test : left-tailed test
b. The IQ of statistics teacher is greater than 130. Test this claim. (2 points)
Answer: Claim: The IQ of statistics teacher is greater than 130
H0 : �=130
Ha : �>130
Test: Right-tailed test

Answer by onlinetutor365.com(14) (Show Source): You can put this solution on YOUR website!
State the claim mathematically. Then write the null and alternative hypothesis. Determine whether the hypothesis test is left-tailed, right-tailed, or two-tailed.
a. According to fans, the mean score of all NBA games during the last season was less than 100 points per game. Test the claim that the mean score was at least 100 points per game. (2 points)
Answer: Claim: the mean score was at least 100 points per game.
H0 : �≥100
Ha : �<100
Test : left-tailed test
b. The IQ of statistics teacher is greater than 130. Test this claim. (2 points)
Answer: Claim: The IQ of statistics teacher is greater than 130
H0 : �=130
Ha : �>130
Test: Right-tailed test

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