sample data and descriptive statistics
STA2023 Example for Application 1: Sample Data and Descriptive
Statistics
Do not number these items in your application. Create a single document with these items,
numbering the tables and graph as stated in the assignment.
Item 1: Title Page
Item 2: Introduction
Item 3: Tables and Graph
21.8 34.7 40.6 48.6
26.8 35.0 40.7 49.2
28.5 35.6 40.8 49.3
29.7 36.0 40.9 49.6
31.1 36.3 41.0 50.9
31.3 39.7 45.9 51.8
32.1 39.8 46.0 52.3
33.1 40.2 46.4 55.1
33.7 40.3 48.3 57.5
33.7 40.3 48.3 59.8
Table 1: Sorted Set of Sample Data
Data Values Frequency
21.0-25.9 1
26.0-30.9 3
31.0-35.9 9
36.0-40.9 11
41.0-45.9 2
46.0-50.9 9
51.0-55.9 3
56.0-60.9 2
Table 2: Frequency Distribution
Graph 1: Histogram
Statistic Value
𝑥 40.83
Median 38.45
s 8.70
s2 75.63
n 40
Range 38
Modal Class 36.0-40.9
Table 3: Statistics
Statistic Value
Minimum Usual Value
𝑥 – 2s
23.43
Maximum Usual Value
𝑥 + 2s
58.23
Table 4: Minimum and Maximum Usual Values
Item 4: Summary
0
2
4
6
8
10
12
21.0-25.9 26.0-30.9 31.0-35.9 36.0-40.9 41.0-45.9 46.0-50.9 51.0-55.9 56.0-60.9
Data Values
Histogram