08 Jun Now
Question
- Return to the Pew Research Internet Project’s May 2010 survey of 2,277 adults, aged 18 years and older.
- State the null hypothesis for testing the correlation between the variable Ageand the number of daily cell phone calls, Q18, “On an average day, about how many phone calls do you make and receive on your cell phone?”
- State the alternative hypothesis.
- Test the assumptions (linearity, normality) and underlying correlations using SPSS.
- Be sure to create a scatterplot to show the relationship between the two variables.
- State your conclusions relative to the assumptions.
- What is the number of observations used for each variable?
- How did you handle missing data?
- What is the value of the Pearson correlation coefficient between these two variables? In SPSS, use Analyze/Correlate/Bivariate.
- Do you accept or reject your stated null hypothesis at the 0.01 level of significance?
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