Question

There is no way for me to find what the exercise is asking, Please, can you tell me the way to calculate

it

Medicare Spending per Patient (adjusted for age, sex, and race)

Statistic Northern Region Southern Region

  Sample mean $4,205 $7,366

  Sample standard deviation $1,429 $3,562

  Sample size 12 patients 15 patients

Specify the decision rule. (Use the quick rule to determine degrees of freedom. Round your answer to 3 decimal places. A negative value should be indicated by a minus sign.)

 Reject the null hypothesis if t_calc < …………. (?)

The appropriate hypotheses is  H₀: μ_N − μ_S ≥ 0 versus H₁: μ_N – μ_S < 0

The test statistic is -3.14

Thank you very much

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