M Inbox - donmelis( X o Mail - McGuffee, | X WP NWP Assessment X WP NWP Assessment X *Course Hero X C Chegg Search * *ENG 123 Module X G ENG 123 6-3 Disc X + C D a education.wiley.com/was/ui/v2/assessment-player/index.html?launchld=221e3eb2-cc4c-4a57-9def-cb7a314910b6#/question/6 OMASOO - 7-3 WileyPLUS: Module Seven Homework Question 7 of 17 - 12 Consider the data with analysis shown in the following computer output: Level N Mean StDev A 5 9.900 2.887 B 5 16.800 2.168 C 5 10.800 2.387 Source DF SS MS F P Groups 2 140.70 70.35 11.27 0.002 Error 12 74.93 6.24 Total 14 215.63 What is the pooled standard deviation? What degrees of freedom are used in doing inferences for these means and differences in means? Round your answer for the pooled standard deviation to two decimal places. The pooled standard deviation is i degrees of freedom =