Project I

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PSY-380-Introduction to Probability and Statistics

Project 1

A study was done to explore the number of chocolate bars consumed by 16-year-old girls in a month's time. The results are shown below. 

  

Number of Chocolate   Bars Consumed

 

56

 

46

 

12

 

62

 

39

 

24

 

59

 

51

 

39

 

52

 

28

 

41

 

10

 

64

 

27

 

0

 

34

 

5

 

55

 

32

 

42

 

24

 

14

 

63

 

1

 

63

 

52

 

58

 

52

 

26

Use the data from the chocolate bar study to answer the following questions. Use SPSS for all calculations. Copy and paste the SPSS output into the word document as well as typing the appropriate symbol with the answer. 

1. Identify the level of measurement used in this study.

2. Create a frequency table with six classes.

3. Create a histogram based on the Frequency table in problem 2.

4. Find the mean, median, and mode of the number of chocolate bars consumed by 16-year-old girls in a month.

5. Find the variance and standard deviation of the number of chocolate bars consumed by 16-year-old girls in a month.