Question

Refer to the accompanying data display that results from a sample of airport data speeds in Mbps. Complete parts (a) through (c) Tinterval below. 13.046,22 15) x 17.598 Sx 16.01712719 n 50 EB Click the icon to view a t distribution table. a. What is the number of degrees of freedom that should be used for finding the critical value u/2 #0 (Type a whole number) b. Find the critical value t/2 corresponding to a 95% confidence 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 collection of sample data is the number of sample values that are determined after certain restrictions have been imposed on all data values The number of degrees of freedom for a collection of sample data is the total number of sample values The number of degrees of freedom for a collection of sample data is the number of unique, non-repeated sample values O B. O C. of freedom for a collection of sample data is the number of sample values that can vary after certain restrictions have been imposed on all data values

Answer 1

my dear student you posted multiple questions as per HOMEWORKLIB RULES I have solved the first one question Thank you.