Question

Quiz: Chapter 7 Review Quiz Submit Quiz This Question: 1 pt |0 of 16(0complete) ? This Quiz: 16 pts possible Refer to the accompanying data display that resuilts from a sample of airport data speeds in Mbps. Complete parts (a) through (c) below EB Click the icon to view a t distribution table 13.046,22.15) x 17 598 Sx 16.01712719 n 50 #0 Round to two decimal places as needed ) c. Give a brief general description of the number of degrees of freedom O A. The number of degrees of freedom for a colection of sample data is the number of unique, non-repeated sample values O B. The number of degrees of freedom for a collection of sample data is the total number of sample values 0 C The number of degrees of freedom for a colection o sample data s te number of sample values that can vary aner certain restrict ons have been imposed on all data values ? D The numb er of degrees of freedom for a collection of sample data s t e number of samolo values that are determined after certain restrictions have been mposed on all data values

Answer 1

Here

(a) Degree of freedom dF = n -1 = 50 - 1= 49

(b) Here critical valur of t = t_critical = 2.01

(c) Here option c is correct here as number of degree of freedom for a sample data that can vary after certain condditions are imposed on all data values.