(Answered) The following data represent the muzzle velocity in feet

Statistics

The following data represent the muzzle velocity? (in feet per? second) of shells fired from a? 155-mm gun. For each? shell, two measurements of the velocity were recorded using two different measuring? devices, resulting in the following data.

Observation 1 2 3 4 5 6

794.6 790.4 792.6 793.8 794.9 790.7

796.3 786.1 793.5 789.6 803.2 794.6

?Construct a 99% confidence interval about the population mean difference. Compute the difference as device A minus device B.

Round three decimal places

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