Question

An elite university in New York recently became concerned about a number of the young women...

An elite university in New York recently became concerned about a number of the young women in their dance program. The administration had been informed that many of these women had joined "diet" clubs, often sacrificing health in the pursuit of extreme thinness. The administration was concerned about the long term consequences of such diets including damage to critical systems (e.g., bones, heart, etc.) and the development of eating disorders. All dance students, with their informed consent, went through health screenings and then a program of education was enacted to improve healthly living and wellbeing. One measure taken was iron levels (normal iron blood levels of adult women are 40 - 150 micrograms per deciliter (mcg/dL)). The human body needs iron so it can make hemoglobin, a substance in red blood cells that carries oxygen from the lungs to body tissues. Iron is also needed for energy, good muscle and organ function. Below are data from the 50 young women in the program.

41

112

14

38

67

92

142

13

28

41

67

86

38

97

135

128

13

33

20

78

35

58

135

46

29

24

77

84

36

49

143

38

75

41

39

38

40

29

106

56

33

30

105

23

72

121

38

111

19

41

  • In the space below, arrange your data into an array.
  • Select your intervals. Explain your rationale for the intervals you selected.
  • Construct a frequency table. Remember, your frequency table should include class interval, frequency, relative frequency and cumulative relative frequency.
  • On a separate page, construct a histogram based on your table. Take a photo with your phone or an image file with your printer and insert on a separate page at the end of this homework or send as a separate jpg file. Or insert your image below.
  • On a separate page, construct a frequency polygon based on your table. Take a photo with your phone or an image file with your printer and insert on a separate page at the end of this homework or send as a separate jpg file. Or insert your image below.
  • Find the mean, median, and mode for the data.
  • Mean =                                 Median =                                   Mode =                            .
  • Is the data in question one skewed? Why or why not?
  • You are a journalist who has attended this event. Write a short newspaper article describing the event and outcome. Remember that it needs to look like a newspaper article and your readers are not a bunch of statisticians!

Homework Answers

Answer #1

pages order is 2,1,3,4 and 5

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