3 - The Interpretation Of Marketing Data Flashcards
What Are Ways Of Interpreting Marketing Data?
(3 Points)
~ Correlation.
~ Confidence intervals.
~ Extrapolation.
What Is Correlation?
(2 Points)
~ Understanding the strength of a relationship, between 2 variables.
~ Always remember that there are many other things which influence the relationship.
What Can Correlation Be?
(4 Points)
~ Positive (+1).
~ Negative (-1).
~ Zero (0).
~ Positive or negative, strong or weak.
What Does A Correlation Of +1 Mean?
(2 Points)
~ The 2 variables move in the same direction.
~ E.g. As temperature goes up ice cream sales go up.
What Does A Correlation Of -1 Mean?
(2 Points)
~ The 2 variables move in opposite directions.
~ E.g. As road tax prices go up the sales of 4x4s goes down.
What Does A Correlation Of 0 Mean?
(2 Points)
~ There is no relationship between the factors.
~ E.g. Average rainfall and sales of textbooks.
What Are Confidence Intervals?
A range of values, that your fairly sure the value for the population will lie within.
What Are Confidence Levels?
(2 Points)
~ How sure you are of the outcome happening.
~ E.g. 95% confidence level, means you are 95% certain.
What Factors Affect Confidence Levels?
(3 Points)
~ Sampling technique.
~ Research method.
~ Expertise of the person carrying out and analysing the research.
What Is Extrapolation?
(2 Points)
~ Using historical trends, to help forecast future trends.
~ Used to aid decision making.