Question

One kind of scale for weighing trucks can measure their weight as they drive across a plate.​ However, it is not known whether this method is equivalent to the traditional method of static weighing. Find a 95​% confidence interval of the weight differences. Interpret this interval in context.

Weight-in-Motion   Static Weight   Diff (Static-Motion)
40.1, 38.0, -2.1
35.1, 39.8, 4.7
34.5, 38.2, 3.7
38.2, 40.9, 2.7
29.1, 28.5, -0.6
26.6, 30.9, 4.3
39.4, 36.5, -2.9
40.5, 40.4, -0.1
37.9, 40.2, 2.3
30.6, 33.1, 2.5

Answer 1