【多选题】下列数值中,属于描述离散趋势的统计量是( )。
【多选题】_____ and so on form the semantic field of colors.
【单选题】People eat a lot of sugar______cakes, soft drinks, sweets and so on every day.
【单选题】( )is the usual form for small shops and businesses that provide services such as beauticians, hairdressers, photographers, gardeners and so on.