See attached table for the questions below: Thank you!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.the mean employees’ morale. ii.the median iii.The mode The Human Resource Manager at a manufacturing plant noticed that there was a high rate ofabsenteeism, lack of motivation, reduced cooperation and low productivity among theemployees. She suspected that the employees' morale had decreased. The Human ResourceManager decided to select the first 100 employees who arrived to work on a certain day and askthem to complete an employee morale survey. Each employee's level of morale was measuredbetween 0 to 10 inclusive; with 10 indicating the highest level of employee morale. The data wassummarized in Table 1 below.TABLE 1Level of Employee morale0-23-45-67-89-10Number of Employees82640188

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Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018

18th Edition

ISBN:9780079039897

Author:Carter

Publisher:Carter

Chapter10: Statistics

Section10.6: Summarizing Categorical Data

Problem 23PPS

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See attached table for the questions below: Thank you!

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.the mean employees’ morale.
ii.the median
iii.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 0 to 10 inclusive; with 10 indicating the highest level of employee morale. The data was
summarized in Table 1 below.
TABLE 1
Level of Employee morale
0-2
3-4
5-6
7-8
9-10
Number of Employees
8
26
40
18
8

Definition Definition Measure of central tendency that is the value that occurs most frequently in a data set. A data set may have more than one mode if multiple categories repeat an equal number of times. For example, in a data set with five item—3, 5, 5, 29, 473—the mode is 5 because it occurs twice and no other value occurs more than once. On a histogram or bar chart, the element with the highest bar represents the mode. Therefore, the mode is sometimes considered the most popular option. The mode is useful for nominal or categorical data (e.g., the most common color car that users purchase), but it is problematic for continuous data because it is more likely not to have any value that is more frequent than the other.

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