The CEO of your company has asked you, the human resource manager, to conduct a study to determine whether or not male managers and female managers perceive leadership styles differently and, if differences are found, to develop a training program that will benefit gender differences in leadership. To this end you selected, randomly, 10 male managers and 10 female managers to participate in your study. To each manager a leadership style survey questionnaire was administered. The questionnaire chosen was the Blake & Mouton Managerial Grid as it assesses leadership behavior. The numeric raw data results of the 18 question study are as follows:

Raw Numeric Questionnaire Data

Question

1

2

3

4

5

6

7

8

9

Male

4

4.6

3.2

3.9

4.2

3.7

4.1

4.5

3.5

Female

4.2

4.1

4.2

4.6

3.9

4.1

4.7

4.1

4.2

Raw Numeric Questionnaire Data

Question

10

11

12

13

14

15

16

17

18

Male

4

3.9

4

3

4.5

4.9

3

3.3

3

Female

4

4.2

4.1

4

4.5

4.3

3.9

4

3.7

          

Complete the following in a single MS Word or Excel document:

  1. Calculate the mean, median, mode, variance, and standard deviation for the numeric data.
  2. Construct a histogram, pie, or Stem-Leaf Display chart encompassing the mean leadership scores for both male and female managers. Use an online interactive program to formulate your histogram, pie charts, or Stem-Leaf Display.
  3. Construct a histogram for median score values for male managers and female managers with respect to management style.
  4. Analyze the data and present preliminary conclusions based on answers to questions #2 and #3 with respect to the leadership style differences between male and female managers.
  5. Offer a brief 5-point summary of the training program you might use to strengthen the leadership deficiencies found in either or both the male and female manager leadership style 

 

 

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As a quality analyst you are also responsible for controlling the weight of a box of cereal. The Operations Manager asks you to identify the ways in which statistical quality control methods can be applied to the weights of the boxes. Provide your recommendations to the Operations Manager in a two-three page report. Using the data provided in the Doc Sharing area labeled M4A2Data, create Xbar and R charts.

Your report should indicate the following along with valid justifications of your answers:

  1. The control limits of the weights of the boxes.
  2. Nonrandom patterns or trends, if any.
  3. If the process is in control.
  4. The appropriate action if the process is not in control.

 

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Using one of the two formulas cited in this module calculate the correlation coefficient using the following values presented below. Once you have completed your calculation, discuss the following: Is there a statistically significant correlation between customer service attitude scores and number of overtime hours? State the research question and testable hypothesis. Interpret, discuss, and support your findings with at least two other classmates.

Customer Service Attitude ScoresOT Hours
51
106
52
118
125
41
34
26
65
12

 

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