Dr.Jones is studying the effects of caffeine on recall.She has collected data from 20 students.needs
a.Calculate the relative frequency,cumulative frequency and cumulative relative frequency for the distribution.
b.What is the relative frequency associated with a score of 9 on the recall test?
c.What is the cumulative relative frequency associated with a score of 6?
d.What is the cumulative frequency for the score of 3?
e.Now draw a frequency histogram of the data set above.
Definitions:
Laboratory Tasks
Specific assignments or experiments conducted in a controlled environment.
Sensation Seeking Scale
a psychological tool used to measure an individual's propensity for seeking novel, complex, and intense sensations and experiences.
Thrill Seeking
The pursuit of activities or experiences that are exciting and involve a certain degree of risk or danger.
Western Countries
Nations, predominantly in the Western Hemisphere and Europe, characterized by democratic forms of government, capitalist economies, and liberal social values.
Q14: If means (or linear relationships)are the focus,then
Q62: Assume the following is a population means
Q79: Given the scores 50,50,60,70,80,90,92,92,what is the cumulative
Q115: The analytical procedures for the chi-square test
Q121: In APA journal articles the results sections
Q132: The sum of signed deviations about the
Q135: Frequency polygons are the same think as
Q137: A survey finds that 50% of college
Q137: In a stem and leaf plot of
Q150: A z score of _ represents a