A researcher wishes to test H₀: $\mu$ = 40 versus H_a: $\mu$

Question

A researcher wishes to test H₀:

\mu

= 40 versus H_a:

\mu

< 40.A sample of size n = 200 from a normally distributed population produces a sample mean of

\bar { x }

= 36.The population standard deviation is

\sigma

= 3.Compute Cohen's d.

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The Answer of A researcher wishes to test H₀: $\mu$ = 40 versus H_a: $\mu$ < 40.A sample of size n = 200 from a normally distributed population produces a sample mean of $\bar { x }$ = 36.The population standard deviation is $\sigma$ = 3.Compute Cohen's d.

A Researcher Wishes to Test H0 μ\muμ = 40 Versus Ha μ\muμ

A Researcher Wishes to Test H₀ $\mu$ = 40 Versus H_a $\mu$