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2434-Statistics II-2526_T4
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Check this ANOVA
With α=0.05, what would your main conclusions be ?
The sample was split by the two Netflix usages and these descriptives computed:
then an ANOVA was run to investigate if WP is independent from Netflix usage.
The test statistic (F) value is
Check this ANOVA
Drop Age factor and re-run the ANOVA with only NetflixU as a factor.
The new F test statistic is
Willingness to pay for Netflix streaming service (WP) is considered to be Age dependent. Maybe this belief is not correct!
To investigate this we would run a statistical test in which Ho is
Regarding GPA, this H1: μ<16 was considered. The p-value
As you know, with the provided information, we are not able to run a one-sided test regarding Income μ.
Why ?
Can you compute a Margin of Error for GPA μ ?
The Upper Limit of a Confidence Interval for the proportion of students with a Netflix usage lower than 10 hours, using a 95% confidence level,
Focus on WP and use the sample to test Ho: μ=9.5 vs H1: μ≠9.5
The Lower Critical Value, with α=0.05,
Focus on Income.The estimate for the standard error