A Researcher Wishes to Determine If There Is a Relationship

A researcher wishes to determine if there is a relationship between the age of working individuals and the amount of coffee consumed.The following data were obtained for the number of cups of coffee
Consumed per day: Choose the best option from the choices below:

A) A z-test statistic could be used to test the null hypothesis.
B) A chi-square test statistic could be used to test the null hypothesis.
C) Either a z-test or a chi-square test could be used to test the null hypothesis.
D) A t-test statistic could be used to test the null hypothesis.