1.8 Table 1.12 lists the reading comprehension scores for nine students at a small

private school known for its academic excellence. Twenty students were admitted

to the kindergarten class, and the nine students in the table stayed at the school

through eighth grade. The scores are percentiles relative to students at suburban

public schools; for example, Student 1 scored in the 98th percentile in first grade

and in the 53rd percentile in second grade. Identify the following data as crosssection,

time series, or panel data:

a. Student 4s scores in grades 1 through 8.

b. The nine students eighth grade scores.

c. The nine students scores in first grade and eighth grade.

d. The nine students scores in first grade through eighth grade.