Product Researchers Studied the Relationship Between Their Cola and a Composite

question 7

Multiple Choice

Product researchers studied the relationship between their cola and a composite happiness scale.The null hypothesis was retained.They should state that

• A) drinking their cola does not cause depression.
• B) their cola has no relationship to the happiness of its drinkers.
• C) there is not enough evidence to suggest a relationship between drinking their cola and happiness.
• D) their design was not powerful enough to find a significant relationship.