Chi Square A group of freshmen nursing students were given an aptitude test. One

Question

Chi Square
A group of freshmen nursing students were given an aptitude test. One of the statements that they had to respond to was “research can be fun.” Using a Likert scale they could respond in one of five ways: Strongly Agree, Agree, Undecided, Disagree, and Strongly Disagree. The sample was drawn from a population in which the proportion of responses to each category was 0.20.
A group of freshmen nursing students were given an aptitude test. One of t statements that they had to respond to was "research can be fun". Using a Likert scale they could respond in one of five ways: Strongly Agree. Agree, Undecided. Disagree and Strongly Disagree. The sample was drawn from a population in wh the proportion of responses to each category was 0.20. LLE ch 22 ich Ho: The sample of nursing students was random (Observed distribution Expected) Hi: The sample of nursing students was non-random (Observed + Expected) Responses were as follows Obs Exp OE (O-E O-E)/E Strongly Agree 14 Agree Undecided Agree Strongly Disagree3 34 23

Explanation / Answer

T

The Chi square value is 27. The P value is 0.0016. The result is significant at P<0.5.

The result is H1 = the sampling not random.

Obs Exp O-E (O-E)2 (O-E)2/E Strongly agree 14 20 -6 36 2 Agree 34 20 14 196 10 Undecided 22 20 2 4 0 Disagree 23 20 3 9 0 Strongly disagree 3 20 -17 289 14 27

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