11 16 Points Details Jmodd8 4 3 007 Joey And Dee Dee Bowled Five Games At The Rock N Bowl Lanes Their Scores Are 1 (47.87 KiB) Viewed 22 times
11 16 Points Details Jmodd8 4 3 007 Joey And Dee Dee Bowled Five Games At The Rock N Bowl Lanes Their Scores Are 2 (30.17 KiB) Viewed 22 times
11. [-16 Points) DETAILS JMODD8 4.3.007. Joey and Dee Dee bowled five games at the Rock 'n' Bowl Lanes. Their scores are given in the following table. Joey 147 174 224 162 133 Dee Dee 186 169 192 145 143 (a) Find the mean score of each bowler. Joey 168 Dee Dee 167 Who has the highest mean? Joey O Dee Dee (b) Find the standard deviation of each bowler's scores. (Round your answers to one decimal place.). Joey Dee Dee c) Who is the more consistent bowler? Why? O Dee Dee is more consistent because her scores have a higher mean. Joey is more consistent because his scores have a lower standard deviation O Dee Dee is more consistent because her scores have a lower standard deviation O Joey is more consistent because his scores have a higher standa deviation O Joey is more consistent because his scores have a higher mean. Viewing Saved Work Revert to Last Response
12. [-14 Points) DETAILS JMODD8 4.3.016. The normal monthly rainfall in a city is given in the following table. Month Inches Feb Jan. 0.6 Mar 0.9 0.6 Apr. 0.2 May 0.1 June 0.1 Month Inches July 0.7 Aug 1.0 Sept 0.9 Oct 0.8 Nov. 0.8 Dec 1.0 (a) Find the mean and standard deviation of the monthly rainfall in the city. (Round your answers to two decimal places.) mean in standard deviation in (b) What percent of the year will the monthly rainfall be within one standard deviation of the mean? (Round your answer to the nearest whole number.) (What percent of the year will the monthly rainfall be within two standard deviations of the mean? (Round your answer to the nearest whole number) 12/0 Din
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