STA2023 Application 2: Sample Data and Inferential Statistics

STA2023 Example for Application 2: Sample Data and Inferential Statistics Do not number these items in your application. Create a single document with these items, numbering the tables as stated in the assignment. Item 1: Title Page Item 2: Introduction Item 3: Tables

26.3 34.5 40.4 46.5 49.5

30.3 34.5 41.0 47.1 50.1

32.0 35.4 41.9 47.3 52.5

32.9 37.2 42.4 47.3 53.2

34.2 38.5 42.7 47.3 58.1

Table 1: Sorted Set of Sample Data

Statistic Value

𝑥 41.72

Median 41.9

s 8.08

s2 65.33

Range 31.8

n 25

Table 2: Important Statistics

Statistic Value

Minimum Usual Value 𝑥 – 2s

25.56

Maximum Usual Value 𝑥 + 2s

57.88

Table 3: Minimum and Maximum Usual Values

Confidence Level 98%

𝑥 41.72

𝑡𝛼 2

2.492

E 4.03

Confidence Interval 37.69 < < 45.75

Table 4: Confidence Interval One

Confidence Level 2nd confidence level

𝑥 41.72

𝑡𝛼 2

2nd critical value

E 2nd error

Confidence Interval 2nd confidence interval

Table 5: Confidence Interval Two Item 4: Summary