Answer a.
Null Hypothesis, Ho: There is no significant difference
in the mean survey result score i.e.
Alternative Hypothesis, Ha: There is significant
difference in the mean survey result score i.e.
T-Test:
Here, two tailed test - statistics, t = 2.204 and two - tailed p-value = 0.0448
Answer b.
Conclusion: Since p-value = 0.0448 < 0.05 so we
Reject the Null Hypothesis at 5% level of significance and conclude
that There is significant difference in the mean survey result
score i.e.
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t-Test: Paired Two Sample for Means 1 Physician No. Survey 1 Score Survey 2 Score 7.2 7.5 2 6.5 6.7 3 5.5 4.8 4 5.5 6.4 5 6.8 7.4 6 8 9 7 8.3 7.8 8 4.3 5.5 9 7.1 8 Survey 2 Score Survey 1 Score 6.693333333 6.34 1.46352381 1.639714286 15 15 0.87718221 0 Mean Variance Observations Pearson Correlation Hypothesized Mean Difference df t Stat P(T<=t) one-tail t Critical one-tail P(T<=t) two-tail t Critical two-tail 14 10 6.6 4.5 11 7.1 5 7.4 2.203964717 0.022383147 1.761310136 0.044766293 2.144786688 12 7.9 13 4.6 5.3 14 6.5 6 15 5.8 6.5
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