A researcher claims that the monthly load consumed of Grade 11 for their online learning class is more than P 3,000. In a sample of 35 randomly selected students, the mean monthly load consumed was...

A researcher claims that the monthly load consumed of Grade 11 for their online learning class is more than P 3,000. In a sample of 35 randomly selected students, the mean monthly load consumed was P2,700 with the standard deviation of P 600. Is there sufficient evidence at 0.01 level of significance that the average monthly load consumed is more than P 3,000?