Answer to Question #342428 in Statistics and Probability for Carrot

Question

II. Determine if one-tailed test or two-tailed test fits the given alternative hypothesis.

1. The mean height of Grade 12 students is less than 66 inches.

Answer: ___________________________

2. The standard deviation of their height is not equal to 5 inches.

Answer: ___________________________

3. Male Grade 7 and Grade 12 students differ in height on average.

Answer: ___________________________

4. The proportion of senior male students’ height is significantly higher than the senior female students.

Answer: ___________________________

5. The average grade of Grade 11 students in Statistics is lower than their average grade in Calculus.

Answer: ___________________________

Answer 1

1. One-tailed (left-tailed) test.

2. Two-tailed test.

3. Two-tailed test.

4. One-tailed (right-tailed) test.

5. One-tailed (left-tailed) test.