Asked by Carey Sanders on May 04, 2024
Verified
Suppose X has a chi-squared distribution with 10 degrees of freedom.The mean of X is:
A) 10
B) 9
C) 20
D) None of these choices.
Chi-Squared Distribution
A probability distribution widely used in inferential statistics for hypothesis testing and in constructing confidence intervals, especially useful for categorical data.
Degrees of Freedom
The number of independent pieces of information available to estimate another piece of information or the parameters in a statistical model.
Mean
The average value of a set of numbers, obtained by dividing the sum of all the numbers by the count of numbers.
- Conduct the computation and analysis of the average, spread, and standard deviation relevant to selected distributions.
Verified Answer
MA
Maryjane AbalihiMay 07, 2024
Final Answer :
A
Explanation :
The mean of a chi-squared distribution is equal to its degrees of freedom, which in this case is 10.
Learning Objectives
- Conduct the computation and analysis of the average, spread, and standard deviation relevant to selected distributions.