Statistics gender id ethnicity gpa total quiz3 N Valid 104 105 105 105 105 105 M
ID: 3226658 • Letter: S
Question
Statistics
gender
id
ethnicity
gpa
total
quiz3
N
Valid
104
105
105
105
105
105
Missing
1
0
0
0
0
0
Mean
1.39
571366.67
3.32
2.7643
100.21
8.05
Std. Deviation
.491
277404.129
1.079
.76393
15.940
2.322
Skewness
.439
-.090
-.446
-.013
-.913
-1.177
Std. Error of Skewness
.237
.236
.236
.236
.236
.236
Kurtosis
-1.843
-1.299
-.585
-.815
.984
.805
Std. Error of Kurtosis
.469
.467
.467
.467
.467
.467
Indicate which variables are meaningless to interpret in terms of mean, standard deviation, skewness, and kurtosis. Justify your decision.
Next, indicate which variables are meaningful to interpret. Justify your decision.
For the meaningful variables, do the following:
Specify any variables that are in the ideal range for both skewness and kurtosis.
Specify any variables that are acceptable but not excellent.
Specify any variables that are unacceptable.
Explain your decisions.
For all meaningful variables, report and interpret the descriptive statistics (mean, standard deviation, skewness, and kurtosis).
Statistics
gender
id
ethnicity
gpa
total
quiz3
N
Valid
104
105
105
105
105
105
Missing
1
0
0
0
0
0
Mean
1.39
571366.67
3.32
2.7643
100.21
8.05
Std. Deviation
.491
277404.129
1.079
.76393
15.940
2.322
Skewness
.439
-.090
-.446
-.013
-.913
-1.177
Std. Error of Skewness
.237
.236
.236
.236
.236
.236
Kurtosis
-1.843
-1.299
-.585
-.815
.984
.805
Std. Error of Kurtosis
.469
.467
.467
.467
.467
.467
Explanation / Answer
1) The quantitative descriptive statistics for Gender, ID & ethnicity will not make any sense. Since these variables are qualitative only not quantitative such as gender can be either Male or Female nothing else.
2) Meaning variables:
gpa, total & quiz3; since these are quantitative and continuous variables.