7. Listed below are the numbers of words (in thousands) males and females in ten randomly selected couples spoke in a day. Use a 0.05 significance level to test the claim that among couples, there is no difference in the average number of words males and females speak. Males 12 21 16 19 16 9 19 20 8 16 Females 15 17 25 27 21 14 33 18 17 20 a. Are the samples above independent or dependent? Explain. (2pts) b. State the hypotheses. (2pts) c. Find the test statistic and p-value. (4pts) d. State your conclusion. (2pt) e. Briefly explain your conclusion so someone outside of a statistics class can understand. (2pts)