Question

1)Construct a histogram of the data. How many bins did you use? What was the width of the bins?

2) Calculate the skewness measure.

3)Calculate the z-score of the data (you do not need to report these). What is the minimum and maximum

z-score. What is the proportion of observations that have z-score larger than 1.5?

the data is

55.3

55.3

55.3

55.9

55.9

55.9

55.9

56.1

56.1

56.1

56.1

56.1

56.8

56.8

57

57

57

57.8

57.8

57.8

57.9

57.9

57.9

58.8

58.8

58.8

59.8

59.8

59.8

62.2

62.2

63.8

63.8

63.8

63.9

63.9

63.9

64.7

64.7

64.7

65.1

65.1

65.1

65.3

65.3

65.3

65.3

67.4

67.4

67.4

67.4

68.7

68.7

68.7

68.7

69

70.4

70.4

71.2

71.2

71.2

73

73

73.1

73.1

74.6

74.6

74.6

74.6

79.3

79.3

79.3

79.3

83

83

83

Answer 1