From given graph, Observe the numaric values for GRADE A , GRADE B, GRADE C are,
Grade A | Grade B | Grade C |
7 | 2 | 1 |
15 | 4 | 2 |
13 | 9 | 6 |
19 | 6 | 1 |
11 | 5 | 2 |
13 | 5 | 1 |
15 | 4 |
We use Minitab for summary of above data.
MTB > Describe 'Grade A' 'Grade B' 'Grade C';
SUBC> Mean;
SUBC> SEMean;
SUBC> StDeviation;
SUBC> Variance;
SUBC> QOne;
SUBC> Median;
SUBC> QThree;
SUBC> Mode;
SUBC> Minimum;
SUBC> Maximum.
Descriptive Statistics: Grade A, Grade B, Grade C
Variable Mean SE Mean StDev Variance
Minimum Q1
Median Q3 Maximum
Mode
Grade A 13.29 1.41
3.73 13.90 7.00 11.00
13.00 15.00 19.00 13,
15
Grade B 5.000 0.816
2.160 4.667 2.000
4.000 5.000 6.000
9.000 4, 5
Grade C 2.167 0.792
1.941 3.767 1.000
1.000 1.500 3.000
6.000 1
please help me to do summary Does the grade distribution change over the years (terms)? Generate...
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