Aresearcher asks participants to estimate the height (in inches) of a statue that was in a waiting area. the researcher records the following estimates: 40, 46, 30, 50, and 34. if the researcher removes the estimate of 40 (say, due to an experimenter error), then the value of the mean will:
a. decrease.
b. remain the same.
c. increase.
d. become negative.

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