Identify the correct symbolic notation for the null hypothesis. A. H0: µ1 = µ2 = µ3 B. H0: µ1 = µ2 C. HA: µ1 ≠ µ2 D. HA: µ1 ≠ µ2 ≠ µ3
According to the CDC, cholesterol levels can be reduced by following a healthy diet, getting regular exercise, and reducing the amount of alcohol consumed on a weekly basis. One method of monitoring overall cholesterol levels is to calculate your cholesterol ratio (LDL/HDL), in general a cholesterol ratio between 3.5 and 5.0 is considered to be healthy for most adults. Suppose you are a clinical researcher testing the effects of these lifestyle changes on patient cholesterol levels. In order to determine if following these guidelines helps to reduce overall cholesterol, a total of 18 participants (N = 18) with moderate to high cholesterol ratios (i.e., 3.91 to > 5.0) were recruited for a healthy lifestyle study and their cholesterol ratio was calculated three times over a six week period: Week 0 (baseline), Week 3, and Week 6. Using the variables "Week 0", "Week 3", and "Week 6" in the data set, conduct a One-Way, Within Subjects (AKA Repeated Measures) ANOVA, at α = 0.05, to see if participants cholesterol ratios significantly decrease over the six week period.
Identify the correct symbolic notation for the null hypothesis.
- A. H0: µ1 = µ2 = µ3
- B. H0: µ1 = µ2
- C. HA: µ1 ≠ µ2
- D. HA: µ1 ≠ µ2 ≠ µ3
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