Question

What is the null hypothesis and alternative hypothesis on the following questions;

Is there a difference in the calorie count for the two types of cereals?

Do the rice cereals have less fat grams per serving than the oat cereals?

Do the rice cereals have more sodium (mg) per serving than the oat cereals?

Answer 1

Two sample t test:

Is there a difference in the calorie count for the two types of cereals?(Two tail test)

H0: Population means are equal for both cereals or

Ha: population means are different for both cereals or

Do the rice cereals have less fat grams per serving than the oat cereals?(Left tail test)

Ho: the rice cereals have greqter or equal fat grams per serving than the oat cereals or

Ha: the rice cereals have less fat grams per serving than the oat cereals or

Do the rice cereals have more sodium (mg) per serving than the oat cereals?(Right tail test)

H0: the rice cereals have lower or equal sodium (mg) per serving than the oat cereals or

Ha: the rice cereals have more sodium (mg) per serving than the oat cereals or