 # Measures of Dispersion.docx - Name: ...

• 3

Course Hero uses AI to attempt to automatically extract content from documents to surface to you and others so you can study better, e.g., in search results, to enrich docs, and more. This preview shows page 1 - 3 out of 3 pages.

Name: ____________________________________________Score: ___________Course/Year/Section/Major: ______________________Date: ____________MEASURE OF DISPERSIONI.Find the range, standard deviation, and variance of the given data set.A classroom teacher gave a test to 10 students. The scores obtained areas follows: 75, 73, 70, 65, 65, 65, 60, 57, 50, and 50.Range:HV = 75 LV = 50R = HV – LVR= 75 – 50R = 15StudentsScores17575 – 63 = 1214427373 – 63 = 1010037070 – 63 = 74946565 – 63 = 2456565 – 63 = 2466565 – 63 = 2476060 – 63 = -3985757 – 63 = -63695050 – 63 = -13169105050 – 63 = -13169Total (n)630688Arithmetic Mean:Variance:630106368810 -176.44
Standard Deviation:ll.Solve for the range, standard deviation, and variance.Range:R = 49 – 8R = 41Class limitfXfX8-146116672615-21818
End of preview. Want to read all 3 pages?

Course Hero member to access this document

Term
Fall
Professor
NoProfessor
• • • 