From the video entitled “Facebook’s Data Centers” posted on Canvas, please answer the following questions: 1. Why does Facebook’s data center specialist argue that “The Internet is not a cloud?” 2. What are some of the techniques Facebook uses to cool its data centers? 3. Facebook had 2.9 billion users as of 2022. If Facebook continues to employ engineers at the same rate as stated in the video, how many  engineers does Facebook have in its employ?

This is a halfway point in the exam. Keep going! You are halfway through!  

Calculate the average duration of the sample of records presented in a following frequency distribution.   M = . 

Calculate the interquartile range for the data presented in Q13.

In a negatively skewed distribution of exam scores, Mary scored at the mean, Tony scored at the median, and Michael scored at the mode. Who had the lowest score?

Now, assume that an outlier was added to the sample of scores presented in Q27 and this outlier was exactly two standard deviations above the mean. Calculate the raw score of this outlier. X = (round to the nearest whole number).

In a graph below, what dataset has a larger standard deviation?

What does the sigma (σ) denote?

What is the best way to use an old test to prepare for an upcoming test?

Write 6 sentences with « Il y a » in which you describe a generic classroom and say what there is. Pay attention to articles. You will need to write either un, une or des before the noun.  Here are some accent marks to copy and paste (if needed): é à ê ç