B is the correct answer to this.
The change in temperature would be negative.
Explanation: -10 - (-2) = (-8)
Answer:
The sampling technique used is convenience sampling.
Step-by-step explanation:
Convenience sampling technique is a method of non-probability sampling that is done using the most easiest sample or the most convenient sample.
For instance, sampling the people of our neighborhood, or school or company, etc.
This type of sampling is known as non-probability sampling because each individual\participant does not have a specific probability of selection. Whereas in case of probability sampling each participant has an equal probability of being selected.
Survey that are conducted through online portals or online survey use samples that are quite easy to collect. The sample collected through online surveys is convenience sample.
The survey conducted to determine how many people were in favor of stricter gun control uses a convenience sampling technique. As it uses the most easy source to collect the sample.
Thus, the sampling technique used is convenience sampling.
Always do what’s in the parentheses first! :)
Answer: 71
Step-by-step explanation: The median is the middle number in the data set when the data set is written from least to greatest.
So let's write our data set from least to greatest.
We have 62, 63, 67, 70, 72, 74, 76, 78.
In this set however, notice that there is no 1 middle number.
In this situation, we add the two number that are in the middle and multiply the sum by 1/2. So we have 70 + 72 which is 142.
So we have 142 · 1/2 which simplifies to 71.
So the median is 71.
