Business Decision Making

BUSINESS DECISION MAKING

Table of Contents
Task 1 Ungrouped Descriptive Statistics.........................................................................................3
1...................................................................................................................................................3
2...................................................................................................................................................3
Task 2 Grouped Description Statistics............................................................................................4
1. a................................................................................................................................................4
1.b................................................................................................................................................4
2. Comparison..................................................................................................................................5
3. Estimation....................................................................................................................................5
4. Cumulative frequency curve........................................................................................................5
Task 3: Relationships.......................................................................................................................6
1...................................................................................................................................................6
2...................................................................................................................................................6
3. Interpretation............................................................................................................................6
4...................................................................................................................................................7
Task 4 Networking..........................................................................................................................7
Task 5...............................................................................................................................................7

Task 1 Ungrouped Descriptive Statistics
1.
a. Mean
Count = (Median * 2) – 1
= (43 * 2) – 1
= 96 – 1 = 95
Mean = Sum / Count
= 4,702 / 95 = 49.5
b. Minimum
Minimum = Maximum – range
= 80 – 65 = 15
c. Standard deviation
Standard deviation = √sample variance
= √163.4 = 12.8
d. Coefficient of variation
CV = σ
μ = 12.8
49.5 =0.3
2.
The value of mean indicates that the average age of Netflix viewer is around 50 years of age.
While median indicates that after sort-listing 95 viewers, the person having 43 years of age are
stand in the middle of the queue.