Refer to the accompanying data display that results from a sample of airport data speeds in Mbps. Complete parts (a) throughe) below.TIntervalE Click the icon to view at distribution table.(13.046,22. 15)x = 17.598Sx = 16.01712719n= 50a. What is the number of degrees of freedom that should be used for finding the critical value ta/2?df =(Type a whole number.)b. Find the critical value ta/2 corresponding to a 95% confidence level.ta/2=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 collection of sample data is the total number of sample values.O B. The number of degrees 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.O C. The number of dearees 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.(?Click to select your answer(s).O vi 8:581ODII&%232478695.6#3 (lype a whole number.)b. Find the critical value ta/2 corresponding to a 95% confidence level.ta/2=D(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 total number of sample values.O B. The number of degrees 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.O C. 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.O D. The number of degrees of freedom for a collection of sample data is the number of unique, non-repeated sample values.Click to select your answer(s).DELLesc&%232478.6t口个

Name: Refer to the accompanying data display that results from a sample of
Uploaded: 2024-03-20T07:06:41.000Z
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Description: Refer to the accompanying data display that results from a sample of airport data speeds in Mbps. Complete parts (a) throughe) below.TIntervalE Click the icon to view at distribution table.(13.046,22. 15)x = 17.598Sx = 16.01712719n= 50a. What is the