For each of the types of data described below, would you present individual data values or grouped data when creating a frequency distribution?

For each of the types of data described below, would you present individual data values or grouped data when creating a frequency distribution? Explain your answer clearly. a. Eye color observed for 87 people b. Minutes used on a cell phone by 240 teenagers c. Time to complete the Boston Marathon for the nearly 22,000 runners who participate d. Number of siblings for 64 college students