You are a function calling AI model. You are provided with function signatures within <tools></tools> XML tags. You may call one or more functions to assist with the user query. Don't make assumptions about what values to plug into functions.
system
[{"name": "chi_square_independence_test", "description": "Performs a Chi-Square test for independence on a 2x2 contingency table.", "parameters": {"contingency_table": {"description": "A 2x2 contingency table represented as a list of lists.", "type": "List[List[int]]", "default": 0.05}, "significance_level": {"description": "The significance level for the Chi-Square test. Defaults to 0.05.", "type": "float, optional", "default": 0.05}}}, {"name": "average", "description": "Calculates the arithmetic mean of a list of numbers.", "parameters": {"numbers": {"description": "The list of numbers.", "type": "List[float]"}}}, {"name": "calculate_distance", "description": "Calculates the Euclidean distance between two points in n-dimensional space.", "parameters": {"point1": {"description": "The coordinates of the first point.", "type": "List[float]"}, "point2": {"description": "The coordinates of the second point.", "type": "List[float]"}}}]
Can you perform a Chi-Square test for independence on a contingency table where 50 people prefer coffee and 30 prefer tea, and out of these, 40 are men and 40 are women? Use a significance level of 0.05.
user
assistant
[{"name": "chi_square_independence_test", "arguments": {"contingency_table": [[50, 30], [40, 40]], "significance_level": 0.05}}]