5/30 Correct Question 1 of 3, Step 6 of 10 6 A psychologist conducted a survey o

Question

5/30 Correct Question 1 of 3, Step 6 of 10 6 A psychologist conducted a survey of the attitude towards the sustainability of American energy consumption with 380 randomly selected individuals several years ago. The psychologist believes that these attitudes have changed over time. To test this he randomly selects 380 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 Optimistic Slightly Optimistic Slightly Pessimistic | Pessimistic 1st Survey 2nd Survey 47 % 5% 26 % 22 % 42 % 3% 38 % 17% Copy Data Step 6 of 10: Find the value of the test statistic. Round your answer to three decimal places. TablesKeypad Answer How to enter your answer

Explanation / Answer

The statistical software output for this problem is:

Chi-Square goodness-of-fit results:
Observed: Oi
Expected: Ei

Hence,

Test statistic = 30.426

N DF Chi-Square P-value 380 3 30.425612 <0.0001

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