An exercise physiologist conducted a study to assess university students' dietary habits. He sampled 28 students to test the following null and alternative hypotheses:
H 0 : the mean daily energy intake of university students is not different from the recommended daily intake of 8700 kJ.
H A : the mean daily energy intake of university students differs from the recommended daily intake of 8700 kJ.
The mean daily energy intake of the students is 7491 kJ. You conduct a one-sample t-test and obtain a P-value of 0.0012. How do you interpret the P-value?

Question

An exercise physiologist conducted a study to assess university students' dietary habits. He sampled 28 students to test the following null and alternative hypotheses: 
             H 0 : the mean daily energy intake of university students is not different from the recommended daily intake of 8700 kJ. 
             H A : the mean daily energy intake of university students differs from the recommended daily intake of 8700 kJ. 
 The mean daily energy intake of the students is 7491 kJ. You conduct a one-sample t-test and obtain a P-value of 0.0012. How do you interpret the P-value?

Answer

There is strong evidence that university students consume less than the recommended daily energy intake.

Answer

0.1% of this sample consumes less than the recommended daily energy intake.

Answer

There is no evidence the mean daily energy intake of university students differs from the recommended daily intake.

Answer

We cannot interpret the P-value without seeing the 95% confidence interval.

Answer

99.9% of this sample consumes less than the recommended daily energy intake.

Crowdly

An exercise physiologist conducted a study to assess university students' dietar...

Want instant access to all verified answers on moodle.telt.unsw.edu.au?