Description:

You may receive some extra credit in the course by completing this assignment. This assignment is worth a maximum of 40 points, partial credit will be given. Depending on your current grade in the course, this can potentially improve your grade by one level, for example from a B to a B+ or from a B+ to an A-. The maximum grade you can get with extra credit is an A, the extra credit cannot be used to bump your grade up from an A to an A+.

Instructions:

Choose one of the provided datasets. For the chosen dataset, follow the requested steps and answer the following questions:

Name:

Which dataset did you choose?

Follow the instructions on the descriptive statistics tab of your chosen dataset. Copy and paste the completed table here (5 pts):

Create and insert at least 2 charts that portray your data, for example bar chart showing the difference between the groups, a box and whisker plot to show variability within samples, or line graph showing the relationship between two variables(5 pts).

What is your null hypothesis about the data (5 pts)?

What is your alternative hypothesis (5 pts)?

Choose the appropriate test to run (one-sample z, t-test, ANOVA, linear regression, or chi-square). What test did you choose and why is it appropriate for the dataset (5 pts)?

Run the relevant statistical test. Insert your results from the chosen test (included in 5 pts above).

Is this test statistically significant? How did you make this determination (5 pts)?

What is your statistical conclusion (i.e. are you rejecting or failing to reject the null hypothesis) (5 pts)?

What is your experimental conclusion (i.e. what are you concluding about your alternative hypothesis based on the test that you have conducted) (5 pts)?

pre.weight	weight6weeks				Description:		Participants were enrolled in a 6 week diet intervention. Column A lists participant weights in kg at the beginning of the intervention and column B lists participant weights in kg at the end of the intervention
60	60
103	103
58	54.2
60	54
64	63.3
64	61.1
65	62.2
66	64
67	65
69	60.5
70	68.1
70	66.9
72	70.5
72	69
72	68.4
82	81.1
58	60.1
58	56
59	57.3
61	56.7
62	55
63	62.4
63	60.3
63	59.4
65	62
66	64
68	63.8
68	63.3
76	72.7
77	77.5
60	53
62	56.4
64	60.6
65	58.2
66	58.2
67	61.6
67	60.2
69	61.8
70	63
70	62.7
72	71.1
72	64.4
73	68.9
75	68.7
76	71
71	71.6
72	70.9
74	69.5
78	73.9
80	71
80	77.6
83	79.1
85	81.5
87	81.9
88	84.5
71	66.8
75	72.6
75	69.2
76	72.5
78	72.7
78	76.3
79	73.6
79	72.9
79	71.1
80	81.4
80	75.7
71	68.5
73	72.1
76	72.5
78	77.5
78	75.2
78	69.4
79	74.5
83	80.2
84	79.9
85	79.7
87	77.8
88	81.9