What is one purpose of a data table?

a. to list the materials needed for an experiment
b. to scientists look important when working in the lab
c. to ask a research question that no one else has ever asked
d. to keep track of a lot of data

D. To keep track of a lot of data.

Explanation:

A data table is a pictorial representation of the data obtain after the process of research. It may include data that can be either qualitative or quantitative. It can frame a large data in rows and column so that it can be easily interpreted. It is beneficial for keeping a record of large data set.

your answer is "the 1950's"

there’s no image attached but i can if you want: )