Which Studio Produces Higher Rotten Tomato Scores?
Independent, un-paired, t-test
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Computing an independent t-score
Computing an independent t-score
Should you see a movie produced by Universal or Warner Brothers studio? Which one produces movies with higher Rotten Tomato scores? Let's see if the difference is significant.
Using the data set to the right we can follow the eight steps to compute the t-test statistic:
- State the null & research hypothesis
- Select the level of risk
- Select the appropriate test statistic
- Compute test statistic (obtained value)
- Determine the value needed to reject the null
- Compare obtained value & critical value
- Compare the result to the level of significance
- Reject or accept the null based on the comparison
Data Table
Data Table
1. The null hypothesis is Ho: µ1 = µ2 and the research hypothesis H1: X1 ≠ X2
2. The level of risk will be .05
3. The appropriate test statistic is:
4. Compute the test statistic value (obtained value) SPSS was used for calculations
Hollywood:https://commons.wikimedia.org/wiki/File:Hollywood-Sign-cropped.jpgSalkind, N. J. (2016). Statistics for people who (think they) hate statistics. Sage Publications.
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