I have a data set that looks at five demographic variables o…

I have a data set that looks at five demographic variables of a population. The table below shows the first three lines of my data set. I wish to compare median income across the intersection of Gender and Happiness Level. Besides, I want to use a color gradient to represent the income. What is the best choice for visualization? (Note: Please inspect the table carefully. The variables in this dataset are different from the previous question.) Income  Age Gender Happiness Level Health 51212 44 M Low 74 102333 57 M Med 23 49049 33 F High 95

The figure below shows the spectra of 4 objects in the sky (…

The figure below shows the spectra of 4 objects in the sky (the short wavelengths of the spectrum are on the left and the long wavelengths on the right of the spectra). One object is at rest (does not move with respect to the observer), whereas all the others are moving away from the observer. Complete the sentence: The object at rest is …, and the one moving away with the highest speed is …

Complete the following sentence.Note: None of the words/expr…

Complete the following sentence.Note: None of the words/expressions must be used more than once.The figure below shows the of a type of active galaxy, called . The colors illustrate the different of the radiation, with the blue regions being . In a visible image, the galaxy would look like .