A psychologist conducted a survey of the attitude towards the sustainability of American energy consumption with 240240 randomly selected individuals several years ago. The psychologist believes that these attitudes have changed over time. To test this he randomly selects 240240 individuals and asks them the same questions. Can the psychologist confirm his theory that the attitudes have changed from the first survey to the second survey? Attitude 1st Survey 2nd Survey Optimistic 22%22% 19%19% Slightly Optimistic 26%26% 28%28% Slightly Pessimistic 38%38% 40%40% Pessimistic 14%14% 13%13% Copy Data Step 6 of 10 : Find the value of the test statistic. Round your answer to three decimal places.