Question

1. in a statistics class of 40 students, the final grades were given as follows: 3 students got a b-, 4 students got an f, 5 students got an a-, 2 students got a c+, 9 students got a b+, 6 students got a b, 7 students got an a, 4 students got a d. (a) is this data nominal or ordinal? (b) using the table below to construct the frequency distribution.

Explanation:

Step1: Determine data type

Letter - grades have an order (e.g., A > B > C etc.), so it's ordinal.

Step2: Construct frequency table

Count number of students for each grade.

Answer:

(a) The data is ordinal.
(b)

Grade	Frequency
A-	5
B	6
B+	9
B-	3
C+	2
D	4
F	4