TQSAlSi Paired t-test Your msearch group developed two syslelns In measure the speed efa tennis ball. The local tennis pro suspecls that the syshema

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TQSAlSiPaired t-test Your msearch group developed two syslelns In measure the speed efa tennis ball. The localtennis pro suspecls that the syshema are ml onnsishenl with each other. To leather mpicinns, shesets up both systems and records the speeds of 2|) serves. The values are stored in the excel filein line columns speedl and speedl. The recorded speedsarein kilomeners perhour. What is the average difference of measurements between the two syslems(speed1-speedZ}? Start the analysis by verifying the normality assumption. Perform Shapiro-Will: test ofnnrmelity on the differences {speedl-speed2). What is the [HI-nine of the test? Pedant: the Nest (paired, 2-sided]. What is map-value? What is the lower limit ofa 95% confidence interval on the mean difference ofmeasruernenls based on the ”rest? What is the upper limit ofa 95% confidence inhervnl on the mean difference ofmeasurements based on the I-nesl'.’ XOTE: To find an unbiased estilnrrlor 0! [hr- xtnmlm'd deviation llflf:lip-stdimedl-epeedzddocE-l) fl ddnf-l .-) std - au-( (xivxbar) ‘2}(n-ddinfll |_ A aSFEEDi 5955132313487.9830.9980.880.969.7472 -5176.9537.4475.1275.5666.535.14_ 92.93-_| 69.0271.7233.3475.0364.7867.71