What is the center and spread of the data

Answer this question only if you know the 30 points and

Compare the cost of the bike trips from the two companies shown.for both the cost in a linear function of the number of days which statements is true

Do more republicans (group a) than democrats (group b) favor a bill to make it easier for someone to own a firearm? two hundred republicans and two hundred democrats were asked if they favored a bill that made it easier for someone to own a firearm. how would we write the alternative hypothesis?