Task 03

A manufacturer of a confectionary item advertised so that they include 6 micrograms of sugar to produce one pack of biscuits averagely. In order to test the mean sugar content given by the manufacturer (in order to check whether mean sugar content is significantly different from 6 micrograms), a team of consumers has randomly selected 20 biscuit packets randomly and measured its sugar content. Values taken by that sample are given below.

1. Enter given data into SPSS accurately by defining variables.

2. Write down relevant hypothesis to test whether mean sugar content is significantly different from 6 micrograms.

3. Test whether the mean sugar content of these biscuits is significantly differ from 6 micrograms at 5% significance level. Write the interpretation.