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.

1. 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.
   1. Find the mean, median, and mode for this data set. Be aware that the mode does not always exist.
   2. Find the range and standard deviation of this data set.
   3. Write a sentence interpreting the mean and standard deviation.
   4. 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

1. Based on the following data,
   1. Determine and interpret the first, second, and third quartiles.
   2. Determine and interpret the interquartile range.
   3. Construct a box-plot and describe the shape of the distribution.
   4. 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

1. This is a set of data from a sample of n = 11 items:
   1. Produce a scatterplot of the data.
   2. What does the plot suggest about the relationship between the variables?
   3. Find and interpret the correlation coefficient.
   4. Find and interpret the coefficient of determination.
   5. 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