5 Always (A) |
4 Often (Oft) |
3 Occasionally (Occ) |
2 Seldom (S) |
1 Never (N) |
|
1. He makes his attitude clear to the group |
4 |
13 |
3 |
3 |
2 |
2. He is easy to understand. |
3 |
12 |
6 |
2 |
2 |
3. He schedules the work to be done. |
5 |
13 |
3 |
2 |
2 |
4. He maintains definite standards of performance. |
6 |
12 |
4 |
2 |
1 |
5. He is willing to make changes. |
2 |
16 |
3 |
2 |
2 |
Question:
5 Always (A) |
4 Often (Oft) |
3 Occasionally (Occ) |
2 Seldom (S) |
1 Never (N) |
|
1. He makes his attitude clear to the group. |
4 |
5 |
3 |
2 |
1 |
2. He is easy to understand. |
3 |
7 |
2 |
2 |
1 |
3. He schedules the work to be done. |
4 |
5 |
2 |
2 |
2 |
4. He maintains definite standards of performance. |
4 |
7 |
2 |
1 |
1 |
5. He is willing to make changes. |
2 |
8 |
2 |
2 |
1 |
Questions 1.) How did the managers rate themselves in each of the statement?
2.) Compute also the standard deviation.
From Employee survey-
For Question 1
Mean = (4*5+13*4+3*3+3*2+2*1)/25 = 3.56
Variance = (4*(3.56-5)^2+13*(3.56-4)^2+3*(3.56-3)^2+3*(3.56-2)^2+2*(3.56-1)^2)/25 = 1.2864
Std Dev = Sqrt(1.2864) = 1.1342
For Question 2
Mean = (3*5+12*4+6*3+2*2+2*1)/25 = 3.48
Variance = (3*(3.48-5)^2+12*(3.48-4)^2+6*(3.48-3)^2+2*(3.48-2)^2+2*(3.48-1)^2)/25 = 1.1296
Std Dev = Sqrt(Variance) = 1.0628
For Question 3
Mean = (5*5+13*4+3*3+2*2+2*1)/25 = 3.68
Variance = (5*(3.68-5)^2+13*(3.68-4)^2+3*(3.68-3)^2+2*(3.68-2)^2+2*(3.68-1)^2)/25 = 1.2576
Std Dev = Sqrt(Variance) = 1.121
For Question 4
Mean = (6*5+12*4+4*3+2*2+1*1)/25 = 3.8
Variance = (6*(3.8-5)^2+12*(3.8-4)^2+4*(3.8-3)^2+2*(3.8-2)^2+1*(3.8-1)^2)/25 = 1.04
Std Dev = Sqrt(Variance) = 1.0198
For Question 5
Mean = (2*5+16*4+3*3+2*2+2*1)/25 = 3.56
Variance = (2*(3.56-5)^2+16*(3.56-4)^2+3*(3.56-3)^2+2*(3.56-2)^2+2*(3.56-1)^2)/25 = 1.0464
Std Dev = Sqrt(Variance) = 1.0229
Tabulating all the results, we get
Question 1 | Question 2 | Question 3 | Question 4 | Question 5 | |
Mean | 3.56 | 3.48 | 3.68 | 3.8 | 3.56 |
Variance | 1.2864 | 1.1296 | 1.2576 | 1.04 | 1.0464 |
Std Dev | 1.134196 | 1.062826 | 1.121428 | 1.019804 | 1.022937 |
Considering the low Std Dev and the closeness of Mean for Question 4 to value 4, we can definitely say that the employees rate their managers "He often maintains definite standards of performance.". For other question, they have rate their managers in between "Often" to "Occasionally"
From Manager Survey-
For Question 1
Mean = (4*5+5*4+3*3+2*2+1*1)/15 = 3.6
Variance = (4*(3.6-5)^2+5*(3.6-4)^2+3*(3.6-3)^2+2*(3.6-2)^2+1*(3.6-1)^2)/15 = 1.44
Std Dev = Sqrt(Variance) = 1.2
For Question 2
Mean = (3*5+7*4+2*3+2*2+1*1)/15 = 3.6
Variance = (3*(3.6-5)^2+7*(3.6-4)^2+2*(3.6-3)^2+2*(3.6-2)^2+1*(3.6-1)^2)/15 = 1.3067
Std Dev = Sqrt(Variance) = 1.1431
For Question 3
Mean = (4*5+5*4+2*3+2*2+2*1)/15 = 3.4667
Variance = (4*(3.4667-5)^2+5*(3.4667-4)^2+2*(3.4667-3)^2+2*(3.4667-2)^2+2*(3.4667-1)^2)/15 = 1.8489
Std Dev = Sqrt(Variance) = 1.3597
For Question 4
Mean = (4*5+7*4+2*3+1*2+1*1)/15 = 3.8
Variance = (4*(3.8-5)^2+7*(3.8-4)^2+2*(3.8-3)^2+1*(3.8-2)^2+1*(3.8-1)^2)/15 = 1.2266
Std Dev = Sqrt(Variance) = 1.1075
For Question 5
Mean = (2*5+8*4+2*3+2*2+1*1)/15 = 3.5333
Variance = (2*(3.5333-5)^2+8*(3.5333-4)^2+2*(3.5333-3)^2+2*(3.5333-2)^2+1*(3.5333-1)^2)/15 = 1.1822
Std Dev = Sqrt(Variance) = 1.0873
Tabulating all the results, we get,
Question 1 | Question 2 | Question 3 | Question 4 | Question 5 | |
Mean | 3.6 | 3.6 | 3.466667 | 3.8 | 3.533333 |
Variance | 1.44 | 1.306667 | 1.848889 | 1.226667 | 1.182222 |
Std Dev | 1.2 | 1.143095 | 1.359739 | 1.10755 | 1.0873 |
In this case too, the manager rate themselves as "He often maintains definite standards of performance." and for the other question they rate themselves between "Often" to "Occasionally"
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