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Module 2 Minitab Assignment Instructions: Below you will find questions and a sample dataset. Please use the provided dataset to complete the tasks and to
Module 2 Minitab Assignment
Instructions:
Below you will find questions and a sample dataset. Please use the provided dataset to complete the tasks and to answer the questions.
- As reported by the U.S. Census Bureau in Current Population Reports, the percentage of adults in each state and the District of Columbia who have completed high school is provided below.
- Find the mean, median, and mode for this data set. Be aware that the mode does not always exist.
- Find the range and standard deviation of this data set.
- Write a sentence interpreting the mean and standard deviation.
- Write a sentence interpreting the median.
Dataset:
State | Percent - Dataset |
Alabama | 95 |
Alaska | 89 |
Arizona | 95 |
California | 84 |
Delaware | 80 |
Georgia | 81 |
Illinois | 88 |
Kansas | 83 |
Louisiana | 85 |
Massachusetts | 85 |
New Mexico | 91 |
New York | 93 |
North Carolina | 88 |
Oklahoma | 85 |
Texas | 88 |
Utah | 91 |
Vermont | 86 |
Washington | 80 |
Wisconsin | 81 |
Wyoming | 95 |
- Based on the following data,
- Determine and interpret the first, second, and third quartiles.
- Determine and interpret the interquartile range.
- Construct a box-plot and describe the shape of the distribution.
- Identify any outliers, if any.
Dataset:
96 |
59 |
55 |
111 |
76 |
91 |
60 |
57 |
84 |
123 |
56 |
89 |
61 |
72 |
89 |
72 |
81 |
88 |
75 |
79 |
- This is a set of data from a sample of n = 11 items:
- Produce a scatterplot of the data.
- What does the plot suggest about the relationship between the variables?
- Find and interpret the correlation coefficient.
- Find and interpret the coefficient of determination.
- Predict the value of y when x = 65. How much faith do you have in this prediction? Explain.
Dataset:
x | y |
46.1 | 150.8 |
47.6 | 150.2 |
45.5 | 141.3 |
43.1 | 167.4 |
44.5 | 166.7 |
36.9 | 121.7 |
47.4 | 143.6 |
44.8 | 186.1 |
41.3 | 166.2 |
33.5 | 140.4 |
34.4 | 132.9 |
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