MAT-152 Written Assignment 1
Answer the following questions. You can either handwrite your solutions (e.g., by printing this
document and writing on paper or by using drawing software), or you can type your solutions.
You do not need to show any work for this assignment.
A certain high school has 1,427 students enrolled. The frequency of each grade level (freshman,
sophomore, junior, and senior) of the students are as follows:
Grade Level
Frequency
Freshman
491
Sophomore
343
Junior
334
Senior
259
1.
Does this data represent a population or a sample?
[ ] Population
[ ] Sample
2.
Does this data represent a qualitative variable, a discrete quantitative variable, or a
continuous quantitative variable?
[ ] Qualitative
[ ] Quantitative, Discrete
[ ] Quantitative, Continuous
3.
Calculate the relative frequency and percentage for each class level to fill in the table
below. Write the relative frequencies as unreduced fractions and round the percentages
to 2 decimal places (AFTER converting to a percentage).
Grade Level
Frequency
Relative
Frequency
Percentage
Freshman
491
Sophomore
343
Junior
334
Senior
259
