Reference no: EM131341927
The policy of the school in given Problem is that to graduate with a major in psychology, a student must have a grade point average of 2.5 or higher.
a. Based on the ungrouped scores shown in Problem, what percentage of current psychology majors needs to raise its grades?
b. Based on the frequency distribution of grouped scores, what percentage needs to raise its grades?
c. Explain the difference between the answers to parts a and b. education
Problem-
A small eastern college uses the grading system of 0-4.0, with 4.0 being the highest possible grade. The scores shown here are the grade point averages of the students currently enrolled as psychology majors at the college.
![782_Data 5.jpg](https://secure.expertsmind.com/CMSImages/782_Data%205.jpg)
a. Construct a frequency distribution of grouped scores with approximately 10 intervals.
b. Construct a histogram of the frequency distribution constructed in part a.
c. Is the distribution skewed or symmetrical? If skewed, is it skewed positively or negatively?
d. Construct a stem and leaf diagram with the last digit being a leaf and the first digit a stem. Repeat stem values five times.
e. Which diagram do you like better, the histogram of part b or the stem and leaf diagram of part d? Explain.
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