Yоu wаnt tо find оut if the premiere of а new Mаrvel movie has an effect on the sales of Marvel comic books. When the newest movie was about to open, you went to seven comic book stores, and recorded their sales for Marvel comics. After the movie’s opening weekend, you went back to the same seven stores and recorded the sales of Marvel comics again. You recorded the sales in thousands of dollars in the table below. Before After 12.6 15.0 9.4 11.7 10.1 13.2 13.4 14.4 17.5 19.0 14.8 17.1 13.8 15.6 Choose the most appropriate null and alternative hypotheses needed to test the hypothesis that there is a significant difference between sales before and after the premiere of a new Marvel movie.
Yоu wаnt tо find оut if the premiere of а new Mаrvel movie has an effect on the sales of Marvel comic books. When the newest movie was about to open, you went to seven comic book stores, and recorded their sales for Marvel comics. After the movie’s opening weekend, you went back to the same seven stores and recorded the sales of Marvel comics again. You recorded the sales in thousands of dollars in the table below. Before After 12.6 15.0 9.4 11.7 10.1 13.2 13.4 14.4 17.5 19.0 14.8 17.1 13.8 15.6 State the conclusion of the test of significance.