research methodology dq

  ●             When is the chi-squared accomplishment acclimated in testing hypotheses? Include basal assumptions and the analysis accomplishment for testing hypotheses on a distinct citizenry variance. ●             What is a alternation coefficient? What is the ambit of its accessible values, and why? ●             How do you actuate if a alternation accessory is statistically significant? ●             In a simple regression, what is the accessory of determination, and how is it interpreted?