In an experiment to determine whether there is a systematic difference between the weights obtained with two
Question:
In an experiment to determine whether there is a systematic difference between the weights obtained with two different scales, 10 rock specimens were weighed, in grams, on each scale. The following data were obtained:
Can you conclude that the mean weight on scale 2 is greater than the mean weight on scale 1 ?
Transcribed Image Text:
Specimen 123456x 2 7 8 9 10 Weight on Scale 1 11.23 14.36 8.33 10.50 23.42 9.15 13.47 6.47 12.40 19.38 Weight on Scale 2 11.27 14.41 8.35 10.52 23.41 9.17 13.52 6.46 12.45 19.35
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To determine whether there is a systematic difference between the weights obtained with two different scales we can perform a hypothesis test In this case a paired ttest would be suitable since the sa...View the full answer
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