Difference in spatial ability between left- and right-handed

Reference no: EM13342142

What are the appropriate H0 and Ha for each of the following research studies? In addition, note whether the hypothesis test is one- or two-tailed.

a. A study in which researchers want to test whether there is a difference in spatial ability between left- and right-handed people

b. A study in which researchers want to test whether nurses who work 8-hour shifts deliver higher-quality work than those who work 12-hour shifts

c. A study in which researchers want to determine whether crate-training puppies is superior to training without a crate.

Reference no: EM13342142

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