# Search results

1. ### Chebyshev empirical rule

Can you please tell me the correct answer to this question? The Chebyshev empirical rule used for a normal variable, says that : a) Approximately 90% of the values in the interval x+3s b) Approximately 5% of the values are in the ... Interval c) Approximately 95% of the z-values are in the...
2. ### Statistics kendall coeficient

I would be very grateful to know if the correct answer to the following question is d?:):):) : If the relationship between two variables is linear and positive: a) the constant has a positive value, greater than 3.5 b) the coefficient of variation has a negative value c) spearman rank...
3. ### Statistics

I would be very grateful to know if the correct answer to the following question is d : If the relationship between two variables is linear and positive: a) the constant has a positive value, greater than 3.5 b) the coefficient of variation has a negative value c) spearman rank correlation...
4. ### Spearman Rank Corellation Coefficient

Hello! Can you please tell my which answer is correct? spearman coefficient is used to determine the connection between a) 2 normally distributed non-numerical variables b) a numerical and a non-numerical ordinal scaled variable c) 2 binary variables d) 2 non-numerical (one is ordinally scaled)...