Asked by ios7

The Survey of Earned Doctorates regularly assesses the numbers and types of doctorates awarded at U.S. universities.It also provides data on the length of time, in years, it takes to complete a doctorate. Below is a modified list of this completion-time data, truncated to whole numbers (e.g., 8.7 became simply 8) and shortened to make your analysis easier. These data have been collected every five years since 1982.

8 8 8 8 8 7 6 7 7 7 7 7
6 6 6 6 6 6 7 8 8 8 8 7
6 6 7 7 7 6 11 13 15 15
14 12 9 10 10 9 9 9

a. Create a frequency table for these data.

b. How many schools have an average completion time of 8 years or less?

c. Is a grouped frequency table necessary? Why or
why not?

d. Describe how these data are distributed

It would be greatly appreciated if you helped
Answered by PsyDAG
To start you out, 8.7 rounds to 9, not 8.
Answered by Angelica
Don't know the answer
Answered by Anonymous
Nolan, Susan, Heinz, Thomas. Essentials of Statistics for the Behavioral Sciences, 2nd Edition. Worth Publishers, 2014. VitalBook file.
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