He test scores for last week's history test were: 76, 100, 94, 90, 68, 90, 80, 92, 84 if test scores of 60 and 68 are added to the list, what would happen to the mean and median? a) the mean and median stay the same. b)the mean and the median become equal. c) the mean and median get closer together. d) the mean and the median get further apart.

Unaware that 35% of the 10000 voters in his constituency support him, a politician decides to estimate his political strength. a sample of 200 voters shows that 40% support him. a. what is the population? b. what is the parameter of interest? state its value c. what is the statistics of the interest? state its value d. compare your answers in (b) and (c) is it surprising they are different? if the politician were to sample another 200 voters, which of the two numbers would most likely change? explain