What is the purpose of a scatterplot?
What will be an ideal response?
Ans: The shape of the plotted data points on a scatterplot or scattergram can indicate if the relationship between the variables is positive (direct), negative (indirect), if there is no relationship, or if the relationship is curvilinear.
You might also like to view...
It is easier to converse with quiet children than with the more talkative ones
a. True b. False Indicate whether the statement is true or false
The ability to receive and understand a message is called
a. fluency. b. expressive language. c. receptive language. d. communication.
A measure of the match between the information on a test and the information taught in a lesson is referred to as:
a) reliability. b) convergent evidence of validity. c) content evidence of validity. d) predictive evidence of validity.
One problem in using normal distributions is that ______.
a. how you interpret a score depends on how a variable is measured b. the sum of deviations from the mean is always equal to zero c. they’re based on a small number of scores d. the use of the word ‘normal’ is seen as politically incorrect