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A psychologist conducted a survey of the attitude towards the sustainability of American energy consumption with...

A psychologist conducted a survey of the attitude towards the sustainability of American energy consumption with 230 randomly selected individuals several years ago. The psychologist believes that these attitudes have changed over time. To test this he randomly selects 230 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 35% ,38% Slightly Optimistic 12% ,14% Slightly Pessimistic 9%, 4% Pessimistic 44% ,44%

Step 8 of 10 : Find the critical value of the test at the 0.01 level of significance. Round your answer to three decimal places.

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orchestra answered 1 year ago
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