Data Analysis: Descriptive Statistics and Tests for Mean Differences

Data analysis 1
Student Name:
Student number:
Lecturer:

Data analysis 2
Question one
a. Age descriptive statistics
Descriptive Statistics
N Minimum Maximum Mean Std. Deviation
AGE 38681 16 59 20.50 4.889
Valid N (listwise) 38681
Table 1
It can be observed from the table above that the mean age for the participants was 20.5. The
youngest participant was 16 years old while the oldest participant was 59 years old.
b. Frequency for new age category
Statistics
Age category
N Valid 38681
Missing 0
Table 2
Age category
Frequency Percent Valid Percent Cumulative
Percent
Valid
18 years 11881 30.7 30.7 30.7
19 - 21 years 11666 30.2 30.2 60.9
22 - 25 years 5494 14.2 14.2 75.1
26 or more 3755 9.7 9.7 84.8
system missing 5885 15.2 15.2 100.0
Total 38681 100.0 100.0
Table 3
The table above table shows the frequency of age groups. Participants who were 18 years old
were 11,881 representing 30.7%. This was followed closely by those within the age of 19 to 21
years. They were 11,666 representing 30.2%. Those who were 26 years old and above were
3,755, representing 9.7% of the total.

Data analysis 3
Question two
Descriptive statistics for the demographics
Age descriptive statistics
Descriptive Statistics
N Sum Mean
AGE 38681 792845 20.50
Valid N (listwise) 38681
Table 4
The mean age of the participants was 20.5 while the sum total of their age was 792,845 years.
State descriptive
STATE
Frequency Percent Valid Percent Cumulative
Percent
Valid
NSW 15860 41.0 41.0 41.0
Victoria 13571 35.1 35.1 76.1
Queensland 7528 19.5 19.5 95.5
ACT 1722 4.5 4.5 100.0
Total 38681 100.0 100.0
Table 5
From the table above, it can be observed that 41% of the participants come from NSW, 35.1%
come from Victoria, and 19.5% come from Queensland while the minority of the participants
(4.5%) comes from ACT.

Data analysis 4
Gender descriptive
GENDER
Frequency Percent Valid Percent Cumulative
Percent
Valid
Male 10449 27.0 27.0 27.0
Female 28232 73.0 73.0 100.0
Total 38681 100.0 100.0
Table 6
It can be observed that majority of the participants were females. They were 28,232 in number
and represented 73%. The rest were females who were 10,449 representing 27%.
Living arrangement descriptive
LIVING_ARRANGE
Frequency Percent Valid Percent Cumulative
Percent
Valid
At home 20840 53.9 53.9 53.9
College/student
accommodation
6850 17.7 17.7 71.6
Independently 10991 28.4 28.4 100.0
Total 38681 100.0 100.0
Table 7
The table above shows the how participants are accommodated. It can be observed that 53.9%
(20,840) were being accommodated from their homes. 17.7% (6,850) were accommodated at the
college while 28.4% (10,991) had their own independent accommodation.