While researching lifestyle changes to improve heart health, you come across a r

Question

While researching lifestyle changes to improve heart health, you come across a research article reporting that the average American consumes about 2,700 calories per day

(? = 2,700).

You come across another article that refutes this, stating that a sample of Americans consumed significantly less than this mean standard on average,

t(50) = 3.393,

p < 0.05 (?2 = 0.19).

Assuming this test was a one-independent sample t-test, answer the following questions.

(a) Is this a significant effect?

Yes, the effect is significant.No, the effect is not significant.    

(b) What is the proportion of variance for this effect? (Round your answer to two decimal places.)

Explanation / Answer

(a)

The p-value is less than 0.05 so effect is signficant at 5% level of signficance.

(b)

The proportion of variance for this effect is 0.19.

Related Questions

Navigate

• Browse (All)
• Browse W
• Subjects

Integrity-first tutoring: explanations and feedback only — we do not complete graded work. Learn more.