所屬科目:研究所、轉學考(插大)◆統計學
1. (20%) Consider the following frequency table of observations on the random variable X. Based on these 50 observations, is a binomial (二項) distribution with a number of trials (n)=6 and a probability of success (p)=0.25 an appropriate model? Perform a goodness-of-fit test (適合度檢定) with α=0.05.
4. (10%)The following data are given: Fit a polynomial (多項式) regression equation of the form