A randomized study compared two different systems for tracking baggage at an airport. The treatment group using System A reporte
d a mean of 18.5 lost bags per day. The treatment group using System B reported a mean of 16.6 lost bags per day.
To determine if the results are significant, the data are re-randomized and the differences of the means are shown in the dot plot.
What is the best conclusion to make based on the data?
a) The difference of the means is not significant because the re-randomizations show that it is outside the range of what could happen by chance.
b) The difference of the means is significant because the re-randomizations show that it is within the range of what could happen by chance.
c) The difference of the means is significant because the re-randomizations show that it is outside the range of what could happen by chance.
d) The difference of the means is not significant because the re-randomizations show that it is within the range of what could happen by chance.
To determine if the results are significant, the data are re-randomized and the differences of the means are shown in the dot plot.
What is the best conclusion to make based on the data?
a) The difference of the means is not significant because the re-randomizations show that it is outside the range of what could happen by chance.
b) The difference of the means is significant because the re-randomizations show that it is within the range of what could happen by chance.
c) The difference of the means is significant because the re-randomizations show that it is outside the range of what could happen by chance.
d) The difference of the means is not significant because the re-randomizations show that it is within the range of what could happen by chance.
2 answers:
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Using function concepts, it is found that it is increasing on the interval:
(–∞, –5] ∪ [3, ∞)
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The function is given by:
The graph is given at the end of this question.
- If the function is pointing upwards, it is increasing. Otherwise, it is decreasing.
- In the graph, it can be seen that it is pointing upwards for x of -5 and less, or 3 and higher, thus, the interval is:
(–∞, –5] ∪ [3, ∞)
A similar problem is given at brainly.com/question/13539822
Hi there!
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(A)
Hope this helped you!
