Dr. Tabor wanted to investigate the relationship between sleep and levels of alertness during a class for American university students. She gave surveys to 150 college freshmen in her introduction to psychology course, asking them to report how many hours they slept each night during a two-week period. Dr. Tabor also had the participants rate their level of alertness on a scale of 1 to 10, with 10 being the most alert each day at the end of class. Dr. Tabor compared the average amount of sleep reported by each participant along with their average score on the alertness scale on a graph to examine the data. The resulting correlation coefficient for Dr. Tabors data was +0.89. Define each of the following terms and explain how each concept might apply to Dr. Tabors research. Random sample Scatterplot Wording effects Positive correlation Operational definition

Q:Dr. Tabor wanted to investigate the relationship between sleep and levels of alertness during aclass for American university students. She gave surveys to 150 college freshmen in herintroduction to psychology course, asking them to report how many hours they slept each nightduring a two-week period. Dr. Tabor also had the participants rate their level of alertness on a scaleof 1 to 10, with 10 being the most alert each day at the end of class. Dr. Tabor compared theaverage amount of sleep reported by each participant along with their average score on thealertness scale on a graph to examine the data. The resulting correlation coefficient for Dr. Taborsdata was +0.89. Define each of the following terms and explain how each concept might apply to Dr.Tabors research.1. Random sample2. Scatterplot3.Wording effects4.Positive correlation5. Operational definition SolutionStep 1 of 5:1.Random sampleA random sample is a sample that fairly represents a population as each person has a fairly equalchance to be included in the study.Here, the population to be studied was “American University Students”. The sample selected was “150college freshmen in her introduction to psychology course”. This does not represent a perfect randomsample.