The generalized demand function is estimated to be Qd = 10 –…

Questions

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 Calculate the test statistic. Assume the standard deviation of the differences is equal to 0.685. Report your answer to the third decimal value.

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 Determine the critical value for a test of significance at the 95% confidence level. Report the critical value to the third decimal place.