[单项选择]When analyzing the value of a single normally distributed populations variance, the most appropriate test is a(n):() A. chi-squared test. B. paired comparison test. C. F-test.
A. use light colors B. fight the government C. become scientists D. show their paintings 参考答案:D 答案解析:本题实际上是一道词义题。通过对文章第二句分析可知,一些画家聚到一起是想展示他们的作品。其中exhibit意为“显示,表现”的意思。故应选D。