If the level of employee satisfaction drops below 0.60 overall, then there is a belief that there may be a serious problem with morale in that department. There have been rumors that the Human Resources department (hr in the data file) may be having just such issues. Using a statistical package, test to determine if the mean employee satisfaction level in the Human Resources department is less than 0.60. 1. Is satisfaction level a qualitative or quantitative variable? 2. Graph the employee satisfaction level for the Human Resources department with an appropriate graph and calculate statistics appropriate for this type of data. 3. Conduct the appropriate hypothesis test using the following steps. a. Determine the null and alternative hypotheses. b. Use a significance level of a = 0.05. c. Validate the assumptions of the hypothesis test, identify the appropriate test statistic, and compute its value. d. Determine the P-value. e. Make a decision to reject or fail to reject the null hypothesis, H f. State the conclusion in terms of the original problem. 4. Based on our conclusion from the previous step, what type of error could we have just made (Type I or Type II)? State the practical implications of this error. 5. Would it be appropriate to compare this test to a confidence interval for the mean? Why or why not?
If the level of employee satisfaction drops below 0.60 overall, then there is a belief that there may be a serious problem with morale in that department. There have been rumors that the Human Resources department (hr in the data file) may be having just such issues. Using a statistical package, test to determine if the mean employee satisfaction level in the Human Resources department is less than 0.60. 1. Is satisfaction level a qualitative or quantitative variable? 2. Graph the employee satisfaction level for the Human Resources department with an appropriate graph and calculate statistics appropriate for this type of data. 3. Conduct the appropriate hypothesis test using the following steps. a. Determine the null and alternative hypotheses. b. Use a significance level of a = 0.05. c. Validate the assumptions of the hypothesis test, identify the appropriate test statistic, and compute its value. d. Determine the P-value. e. Make a decision to reject or fail to reject the null hypothesis, H f. State the conclusion in terms of the original problem. 4. Based on our conclusion from the previous step, what type of error could we have just made (Type I or Type II)? State the practical implications of this error. 5. Would it be appropriate to compare this test to a confidence interval for the mean? Why or why not?
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter4: Equations Of Linear Functions
Section4.5: Correlation And Causation
Problem 2AGP
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I still don't get how to make the chart. Here is the data I was given for satisfaction
satisfaction_level |
0.78 |
0.8 |
0.72 |
0.67 |
0.81 |
0.92 |
0.89 |
0.52 |
0.45 |
0.84 |
0.81 |
0.75 |
0.78 |
0.75 |
0.76 |
0.11 |
0.78 |
0.76 |
0.74 |
0.89 |
0.82 |
0.74 |
0.71 |
0.68 |
0.75 |
0.74 |
0.75 |
0.84 |
0.71 |
0.78 |
0.75 |
0.71 |
0.81 |
0.87 |
0.75 |
0.74 |
0.79 |
0.84 |
0.84 |
0.57 |
0.94 |
0.43 |
0.93 |
0.44 |
0.88 |
0.89 |
0.87 |
0.91 |
0.81 |
0.68 |
0.85 |
0.85 |
0.81 |
0.73 |
0.9 |
0.76 |
0.73 |
0.74 |
0.75 |
0.89 |
0.81 |
0.81 |
0.84 |
0.83 |
0.89 |
0.85 |
0.78 |
0.79 |
0.84 |
0.84 |
0.87 |
0.71 |
0.74 |
0.89 |
0.82 |
0.86 |
0.89 |
0.87 |
0.81 |
0.81 |
0.91 |
0.9 |
0.88 |
0.86 |
0.82 |
0.89 |
0.83 |
0.84 |
0.91 |
0.44 |
0.71 |
0.74 |
0.63 |
0.69 |
0.83 |
0.9 |
0.84 |
0.77 |
0.86 |
0.71 |
0.77 |
0.74 |
0.74 |
0.74 |
0.75 |
0.81 |
0.46 |
0.81 |
0.88 |
0.7 |
0.89 |
0.37 |
0.81 |
0.88 |
0.89 |
0.84 |
0.36 |
0.31 |
0.81 |
0.82 |
0.74 |
0.73 |
0.89 |
0.45 |
0.11 |
0.37 |
0.84 |
0.41 |
0.76 |
0.11 |
0.84 |
0.39 |
0.11 |
0.45 |
0.37 |
0.4 |
0.39 |
0.11 |
0.83 |
0.11 |
0.39 |
0.45 |
0.1 |
0.9 |
0.45 |
0.79 |
0.9 |
0.11 |
0.43 |
0.31 |
0.32 |
0.45 |
0.81 |
0.41 |
0.11 |
0.1 |
0.7 |
0.54 |
0.41 |
0.38 |
0.37 |
0.11 |
0.4 |
0.1 |
0.89 |
0.11 |
0.36 |
0.4 |
0.09 |
0.4 |
0.37 |
0.44 |
0.09 |
0.92 |
0.74 |
0.09 |
0.89 |
0.09 |
0.27 |
0.1 |
0.1 |
0.77 |
0.9 |
0.39 |
0.76 |
0.1 |
0.87 |
0.38 |
0.77 |
0.78 |
0.44 |
0.38 |
0.43 |
0.39 |
0.88 |
0.45 |
0.4 |
0.36 |
0.36 |
0.9 |
0.43 |
0.89 |
0.1 |
0.37 |
0.37 |
0.87 |
0.4 |
0.9 |
0.37 |
0.44 |
0.85 |
0.78 |
0.42 |
0.92 |
0.11 |
0.42 |
0.48 |
0.83 |
0.94 |
0.93 |
0.93 |
0.91 |
0.91 |
0.97 |
0.98 |
0.94 |
0.89 |
0.95 |
0.97 |
0.96 |
0.87 |
0.91 |
0.79 |
0.79 |
0.99 |
0.87 |
0.96 |
0.94 |
0.91 |
0.92 |
0.88 |
0.91 |
0.96 |
0.82 |
0.94 |
0.91 |
0.92 |
0.84 |
0.91 |
0.95 |
0.98 |
0.98 |
0.94 |
0.91 |
0.81 |
0.99 |
0.91 |
0.81 |
0.91 |
0.74 |
0.99 |
0.82 |
0.91 |
0.97 |
0.83 |
0.91 |
0.98 |
0.94 |
0.91 |
0.91 |
0.92 |
0.96 |
0.94 |
0.87 |
0.91 |
0.91 |
0.91 |
0.98 |
0.99 |
0.94 |
0.95 |
0.94 |
0.45 |
0.92 |
0.91 |
0.97 |
0.89 |
0.45 |
0.37 |
0.91 |
0.41 |
0.91 |
0.91 |
0.91 |
0.4 |
0.41 |
0.91 |
0.73 |
0.43 |
0.87 |
0.11 |
0.4 |
0.41 |
0.82 |
0.61 |
0.11 |
0.37 |
0.41 |
0.37 |
0.88 |
0.1 |
0.44 |
0.38 |
0.11 |
0.09 |
0.45 |
0.1 |
0.45 |
0.77 |
0.44 |
0.39 |
0.81 |
0.89 |
0.37 |
0.9 |
0.41 |
0.37 |
0.61 |
0.81 |
0.71 |
0.81 |
0.4 |
0.09 |
0.48 |
0.91 |
0.43 |
0.33 |
0.41 |
0.41 |
0.37 |
0.31 |
0.09 |
0.1 |
0.76 |
0.41 |
0.72 |
0.4 |
0.91 |
0.1 |
0.4 |
0.82 |
0.1 |
0.37 |
0.36 |
0.39 |
0.36 |
0.86 |
0.73 |
0.56 |
0.44 |
0.31 |
0.77 |
0.44 |
0.38 |
0.45 |
0.38 |
0.36 |
0.75 |
0.1 |
0.1 |
0.45 |
0.42 |
0.78 |
0.45 |
0.84 |
0.11 |
0.42 |
0.45 |
0.46 |
0.09 |
0.87 |
0.1 |
0.91 |
0.76 |
0.74 |
0.92 |
0.76 |
0.47 |
0.73 |
0.09 |
0.91 |
0.82 |
0.28 |
0.84 |
0.45 |
0.45 |
0.91 |
0.42 |
0.82 |
0.11 |
0.42 |
0.82 |
0.09 |
0.1 |
0.86 |
0.4 |
0.45 |
0.42 |
0.74 |
0.55 |
0.37 |
0.41 |
0.89 |
0.41 |
0.44 |
0.87 |
0.1 |
0.41 |
0.11 |
0.43 |
0.77 |
0.41 |
0.41 |
0.36 |
0.77 |
0.81 |
0.39 |
0.09 |
0.44 |
0.1 |
0.36 |
0.81 |
0.81 |
0.85 |
0.1 |
0.37 |
0.09 |
0.44 |
0.86 |
0.77 |
0.41 |
0.4 |
0.43 |
0.43 |
0.8 |
0.8 |
0.82 |
0.37 |
0.37 |
0.09 |
0.9 |
0.41 |
0.1 |
0.44 |
0.89 |
0.42 |
0.87 |
0.45 |
0.11 |
0.09 |
0.76 |
0.11 |
0.37 |
0.1 |
0.77 |
0.42 |
0.38 |
0.32 |
0.38 |
0.19 |
0.1 |
0.76 |
0.53 |
0.39 |
0.11 |
0.1 |
0.84 |
0.82 |
0.1 |
0.59 |
0.44 |
0.89 |
0.91 |
0.66 |
0.11 |
0.43 |
0.78 |
0.11 |
0.83 |
0.39 |
0.38 |
0.37 |
0.44 |
0.53 |
0.09 |
0.11 |
0.83 |
0.88 |
0.1 |
0.09 |
0.44 |
0.39 |
0.87 |
0.74 |
0.1 |
0.74 |
0.75 |
0.41 |
0.41 |
0.09 |
0.09 |
0.39 |
0.4 |
0.37 |
0.1 |
0.43 |
0.75 |
0.37 |
0.11 |
0.45 |
0.87 |
0.11 |
0.45 |
0.81 |
0.77 |
0.89 |
0.43 |
0.78 |
0.37 |
0.37 |
0.85 |
0.41 |
0.11 |
0.75 |
0.82 |
0.79 |
0.43 |
0.1 |
0.46 |
0.43 |
0.43 |
0.11 |
0.09 |
0.37 |
0.4 |
0.1 |
0.41 |
0.79 |
0.11 |
0.1 |
0.44 |
0.25 |
0.44 |
0.73 |
0.75 |
0.36 |
0.37 |
0.39 |
0.48 |
0.57 |
0.9 |
0.39 |
0.44 |
0.81 |
0.74 |
0.44 |
0.41 |
0.4 |
0.46 |
0.8 |
0.87 |
0.39 |
0.38 |
0.66 |
0.1 |
0.37 |
0.1 |
0.09 |
0.86 |
0.11 |
0.37 |
0.11 |
0.77 |
0.84 |
0.1 |
0.83 |
0.11 |
0.86 |
0.38 |
0.11 |
0.45 |
0.1 |
0.09 |
0.39 |
0.37 |
0.81 |
0.09 |
0.1 |
0.39 |
0.83 |
0.45 |
0.43 |
0.8 |
0.1 |
0.1 |
0.36 |
0.38 |
0.78 |
0.44 |
0.41 |
0.72 |
0.46 |
0.1 |
0.34 |
0.11 |
0.38 |
0.82 |
0.39 |
0.44 |
0.43 |
0.84 |
0.43 |
0.37 |
0.74 |
0.73 |
0.37 |
0.58 |
0.4 |
0.51 |
0.46 |
0.45 |
0.46 |
0.39 |
0.09 |
0.09 |
0.37 |
0.1 |
0.77 |
0.79 |
0.43 |
0.38 |
0.77 |
0.44 |
0.39 |
0.78 |
0.1 |
0.1 |
0.75 |
0.46 |
0.91 |
0.1 |
0.72 |
0.11 |
0.11 |
0.46 |
0.37 |
0.46 |
0.43 |
0.11 |
0.73 |
0.43 |
0.86 |
0.1 |
0.4 |
0.11 |
0.86 |
0.42 |
0.79 |
0.1 |
0.09 |
0.09 |
0.87 |
0.36 |
0.42 |
0.84 |
0.1 |
0.78 |
0.35 |
0.1 |
0.11 |
0.43 |
0.38 |
0.46 |
0.89 |
0.45 |
0.44 |
0.74 |
0.45 |
0.79 |
0.79 |
0.11 |
0.42 |
0.64 |
0.4 |
0.84 |
0.73 |
0.4 |
0.36 |
0.43 |
0.11 |
0.91 |
0.8 |
0.42 |
0.31 |
0.44 |
0.38 |
0.45 |
0.43 |
0.45 |
0.43 |
0.43 |
0.09 |
0.43 |
0.79 |
0.85 |
0.38 |
0.11 |
0.83 |
0.81 |
0.42 |
0.11 |
0.11 |
0.1 |
0.5 |
0.44 |
0.11 |
0.39 |
0.11 |
0.36 |
0.43 |
0.4 |
0.86 |
0.38 |
0.46 |
0.37 |
0.43 |
0.66 |
0.37 |
0.77 |
0.88 |
0.89 |
0.81 |
0.81 |
0.89 |
0.81 |
0.39 |
0.83 |
0.89 |
0.75 |
0.84 |
0.81 |
0.82 |
0.81 |
0.81 |
0.81 |
0.82 |
0.88 |
0.39 |
0.67 |
0.71 |
0.81 |
0.44 |
0.91 |
0.72 |
0.76 |
0.44 |
0.85 |
0.78 |
0.39 |
0.78 |
0.91 |
0.91 |
0.71 |
0.83 |
0.75 |
0.93 |
0.81 |
0.43 |
0.91 |
0.43 |
0.85 |
0.91 |
0.81 |
0.76 |
0.45 |
0.86 |
0.71 |
0.11 |
0.84 |
0.79 |
0.38 |
0.8 |
0.84 |
0.89 |
0.75 |
0.74 |
0.41 |
0.44 |
0.37 |
0.11 |
0.87 |
0.59 |
0.38 |
0.72 |
0.73 |
0.39 |
0.89 |
0.89 |
0.91 |
0.43 |
0.81 |
0.37 |
0.66 |
0.79 |
0.44 |
0.79 |
0.91 |
0.54 |
0.37 |
0.37 |
0.82 |
0.45 |
0.79 |
0.42 |
0.74 |
0.79 |
0.93 |
0.81 |
0.39 |
0.91 |
0.82 |
0.81 |
0.42 |
0.74 |
0.38 |
0.39 |
0.87 |
0.78 |
0.84 |
0.81 |
0.91 |
0.89 |
0.82 |
0.38 |
0.89 |
0.87 |
0.88 |
0.78 |
0.81 |
0.81 |
0.43 |
0.75 |
0.74 |
0.85 |
0.73 |
0.84 |
0.78 |
0.83 |
0.83 |
0.45 |
0.76 |
0.92 |
0.92 |
0.79 |
0.83 |
0.8 |
0.44 |
0.89 |
0.48 |
0.38 |
0.82 |
0.37 |
0.4 |
0.83 |
0.84 |
0.82 |
0.81 |
0.78 |
0.46 |
0.77 |
0.83 |
0.9 |
0.72 |
0.74 |
0.92 |
0.73 |
0.81 |
0.71 |
0.87 |
0.67 |
0.69 |
0.61 |
0.71 |
0.74 |
0.71 |
0.46 |
0.69 |
0.81 |
0.79 |
0.73 |
0.71 |
0.37 |
0.38 |
0.8 |
0.79 |
0.85 |
0.72 |
0.71 |
0.88 |
0.72 |
0.76 |
0.92 |
0.71 |
0.39 |
0.71 |
0.45 |
0.44 |
0.85 |
0.83 |
0.75 |
0.81 |
0.76 |
0.74 |
0.74 |
0.79 |
0.76 |
0.85 |
0.84 |
0.68 |
0.78 |
0.7 |
0.86 |
0.87 |
0.81 |
0.81 |
0.85 |
0.91 |
0.76 |
0.74 |
0.92 |
0.76 |
0.76 |
0.73 |
0.83 |
0.88 |
Solution
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Follow-up Question
What program did you use to type in your code to create the graph?
Solution
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