A randomized study compared the effectiveness of two mosquito repellents. The treatment group using Spray A reported a mean of 3
.5 mosquito bites. The treatment group using Spray B reported a mean of 5.6 mosquito bites.
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?
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?
1 answer:
Answer:
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.
Step-by-step explanation:
Given that:
The treatment group using Spray A reported a mean of 3.5 mosquito bites.
The treatment group using Spray B reported a mean of 5.6 mosquito bites.
After the data are re-randomized; the differences of the means are shown in the dot plot. The dot plot is attached in the file below;
The best conclusion that can be make based on the data from the dot plot is :
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.
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Here's the solution,
The given triangle is a right angled triangle,
So, by Using Trigonometry :
=》
=》
=》
=》
hence, value of x = 6.5 units