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The Human Resource Manager at a manufacturing plant noticed that there was a high rate of absenteeism, lack of motivation, reduced cooperation and low productivity among the employees. She suspected that the employees' morale had decreased. The Human Resource Manager decided to select the first 100 employees who arrived to work on a certain day and ask them to complete an employee morale survey. Each employee's level of morale was measured between 1 to 15 inclusive; with 15 indicating the highest level of employee morale. The data was summarized in Table 1 below. TABLE 1 Level of Employee morale 1-3 4-6 7-9 10-12 13-15 Number of Employees 8 26 40 18 8 a) Identify the population for this investigation. b) Identify the sample for this investigation. c) Identify the sampling method that was used to select the sample. Give one advantage and one disadvantage of using this sampling method. d) For each of the following charts: stem-and-leaf diagram, box-and-whisker diagram, bar chart and histogram, indicate whether or not the chart would be suitable for presenting the data displayed in Table 1 above. Give reason for your answer. e) Use Table 1 to calculate: i. ii. iii. the mean employees' morale. the median The mode

The Human Resource Manager at a manufacturing plant noticed that there was a high rate of absenteeism, lack of motivation, reduced cooperation and low productivity among the employees. She suspected that the employees' morale had decreased. The Human Resource Manager decided to select the first 100 employees who arrived to work on a certain day and ask them to complete an employee morale survey. Each employee's level of morale was measured between 1 to 15 inclusive; with 15 indicating the highest level of employee morale. The data was summarized in Table 1 below. TABLE 1 Level of Employee morale 1-3 4-6 7-9 10-12 13-15 Number of Employees 8 26 40 18 8 a) Identify the population for this investigation. b) Identify the sample for this investigation. c) Identify the sampling method that was used to select the sample. Give one advantage and one disadvantage of using this sampling method. d) For each of the following charts: stem-and-leaf diagram, box-and-whisker diagram, bar chart and histogram, indicate whether or not the chart would be suitable for presenting the data displayed in Table 1 above. Give reason for your answer. e) Use Table 1 to calculate: i. ii. iii. the mean employees' morale. the median The mode

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.6: Summarizing Categorical Data
Problem 10CYU
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The Human Resource Manager at a manufacturing plant noticed that there was a high rate of absenteeism, lack of motivation, reduced cooperation and low productivity among the employees. She suspected that the employees' morale had decreased. The Human Resource Manager decided to select the first 100 employees who arrived to work on a certain day and ask them to complete an employee morale survey. Each employee's level of morale was measured between 1 to 15 inclusive; with 15 indicating the highest level of employee morale. The data was summarized in Table 1 below. TABLE 1 e) Level of Employee morale 1-3 4-6 7-9 10-12 13-15 a) Identify the population for this investigation. b) Identify the sample for this investigation. c) Identify the sampling method that was used to select the sample. Give one advantage and one disadvantage of using this sampling method. d) For each of the following charts: stem-and-leaf diagram, box-and-whisker diagram, bar chart and histogram, indicate whether or not the chart would be suitable for presenting the data displayed in Table 1 above. Give reason for your answer. Use Table 1 to calculate: i. ii. 111. Number of Employees 8 26 40 18 8 the mean employees' morale. the median The mode
Transcribed Image Text:The Human Resource Manager at a manufacturing plant noticed that there was a high rate of absenteeism, lack of motivation, reduced cooperation and low productivity among the employees. She suspected that the employees' morale had decreased. The Human Resource Manager decided to select the first 100 employees who arrived to work on a certain day and ask them to complete an employee morale survey. Each employee's level of morale was measured between 1 to 15 inclusive; with 15 indicating the highest level of employee morale. The data was summarized in Table 1 below. TABLE 1 e) Level of Employee morale 1-3 4-6 7-9 10-12 13-15 a) Identify the population for this investigation. b) Identify the sample for this investigation. c) Identify the sampling method that was used to select the sample. Give one advantage and one disadvantage of using this sampling method. d) For each of the following charts: stem-and-leaf diagram, box-and-whisker diagram, bar chart and histogram, indicate whether or not the chart would be suitable for presenting the data displayed in Table 1 above. Give reason for your answer. Use Table 1 to calculate: i. ii. 111. Number of Employees 8 26 40 18 8 the mean employees' morale. the median The mode
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