Answer:
a. The average number of hashtags used in a social media post from a marketing agency is different than 7 hashtags.
Step-by-step explanation:
A social media platform states that a social media post from a marketing agency has 7 hashtags, on average.
This means that at the null hypothesis, we test if the mean is 7, that is:

A digital marketing specialist studying social media advertising believes the average number of hashtags used in a post from a marketing agency is different than the number stated by the social media platform.
Keyword is different, so at the null hypothesis, we test if the mean is different of 7, that is:

Thus, the correct answer is given by option a.
<span>No, Micah is not correct. Since there are equal numbers of people in each group who drive and who do not drive, the relative frequency for each is 50%. Because the relative frequencies are the same, there is no association between the variables.</span>
Answer:
Step-by-step explanation:
Given that the table shows the maximum daily temperatures, in degrees Fahrenheit, recorded in a Texas town in May.
84 86 84 88 83 85 90 84 88 84 85 83 85 84 90 84 85 85 83 85
In ascending order,
83 83 83 84 84 84 84 84 84 85 85 85 85 85 85 86 88 90 90
Median = middle entry =85
Histogram is the one which can be used to find the median of the maximum daily temperature.
THe median divides the histogram into two equal parts
Answer:
The formating is a bit confusing but I think the answer to your question would be, "Matt's error is that he just divided the denominator and not the numerator "