Question

stem leaf
1 36788
2 233444489
3 01222578889
4 0146
5 4
key: 1|3 = 1.3
what is the mode (most common data value) of the data set?
4
2.4
3.8
4.0

Explanation:

Step1: Write out the data set

Based on the stem - and - leaf plot with key 1|3 = 1.3, the data set is: 1.3, 1.6, 1.7, 1.8, 1.8, 2.2, 2.3, 2.3, 2.4, 2.4, 2.4, 2.4, 2.8, 2.9, 3.0, 3.1, 3.2, 3.2, 3.2, 3.5, 3.7, 3.8, 3.8, 3.8, 3.9, 4.0, 4.1, 4.4, 4.6, 5.4.

Step2: Identify the mode

Count the frequency of each data value. The value 2.4 appears 4 times, which is more frequently than any other value.

Answer:

2.4