HYPOTHESIS TESTING: Null or Alternative

Students using brand A ball pens write better than those using brand B ball pens.

There is no significant difference between the average weekly allowances of morning and afternoon pupils in Mapayapa Elementary School.

Giving a Christmas bonus will increase the productivity of employees.

A modern approach in advertisement will not increase the demand for a product.

The proportion of patients with heart diseases is higher among smokers than nonsmokers.

The introduction of modern computers affects the performance of the students.

The average income of families in Barangay Maalat is Php12, 000.00

The proportion of housewives using washing machines in Quezon City is less than 50%.

Residents of Sapang Palay commute on an average of 10 kilometres to their place of employment.

The proportion of graduates in a university majoring in Mathematics is more than 10% of the entire population.