What do we mean by a normal distribution?  Give an example of two variables (not included in another question here in the test) that you would expect to be normally distributed. INCLUDE THIS ANSWER IN THE FILE YOU UPLOAD.

Give an example of 6 numbers where their mean is greater than their median.  Give both the mean and median in your result. INCLUDE THIS ANSWER IN THE FILE YOU UPLOAD.

What does a low p-value indicate in hypothesis testing?

Explain the difference between a sample and a population. INCLUDE THIS ANSWER IN THE FILE YOU UPLOAD.

A company wants to test if a new online ad campaign has increased the click-through rate (CTR) on their website. They compare the average CTR before and after the campaign launch. Which of the following would be the correct null hypothesis (H0) for this scenario?

Why might the median be preferred over the mean?

A correlation coefficient of -0.49 indicates which of the following?

What’s the name of the component shown in the figure? deletey.png

Which of the following quantities exhibit the behavior shown in the graph below? Screenshot 2024-11-13 at 9.12.14 PM.png

Which of the following phenomena is exhibited the behavior shown in the graph? Screenshot 2024-11-14 at 7.59.57 AM.png