Questlon y ot 10 The Ridgeport school district collected data about class
size in the district. The table shows the class sizes for five
randomly selected kindergarten and seventh-grade
classes.
Number of students in
randomly selected class
Mean Mean
absolute
deviation
22
3.6
Kindergarten 19, 19. 23, 30, 19
Seventh 27, 33, 34, 30, 31
grade
31
2.0
Based on these data, which statement is true?
O A. Every seventh-grade class has 9 more students than a
kindergarten class.
O B. The average size of a seventh-grade class is larger and varies
more than that of a kindergarten class.
O C. The average size of a seventh-grade class is larger but varies less
than that of a kindergarten class.
O D. The recommended number of students in a kindergarten class is
22.

Can someone pls ! pls answer all. no explanation needed..

If f(x) = 4x – 3 and g(x) = 8x + 2, find each function value a.f[g(3)] b.g[f(5)] c.g{f[g(-4)]}

Design an er diagram for keeping track of information about votes taken in the u.s. house of representatives during the current two-year congressional session. the database needs to keep track of each u.s. state's name (e.g., texas', new york', california') and include the region of the state (whose domain is {northeast', midwest', southeast', southwest', west'}). each congress person in the house of representatives is described by his or her name, plus the district represented, the start date when the congressperson was first elected, and the political party to which he or she belongs (whose domain is {republican', democrat', 'independent', other'}). the database keeps track of each bill (i.e., proposed law), including the bill name, the date of vote on the bill, whether the bill passed or failed (whose domain is {yes', no'}), and the sponsor (the congressperson(s) who sponsored - that is, proposed - the bill). the database also keeps track of how each congressperson voted on each bill (domain of vote attribute is {yes', no', abstain', absent'}). additional information: