Considering the situation described above, to make the visualization accessible for people with color vision deficiencies, the data analyst should use a color scheme with lots of contrast.
The essence or significance of color contrast is that it ensures that data or characters are well lighted and shown such that people can easily see things clearly.
Since people with color vision deficiency would have difficulty seeing the characters clearly from the background, a more color contrast would help them see them better.
Hence, in this case, it is concluded that the correct answer is that "the data analyst should use a color scheme with lots of contrast."
Learn more about color vision here: https://brainly.com/question/25846580
