Wheather the hypothesis test one- or two tailed

Reference no: EM13342114

What are the approate Ho and Ha for each of the following research studies? In addition, note wheather the hypothesis test 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 hours shifts deliver higher-quality work than those who work 12 hour shifts.

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

Reference no: EM13342114

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