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Question 2 Paste dataset 2 into an appropriate dataset summarizer. Paste in inferential statistics that measure evidence for the claim there is a relationship between
Question 2
Paste dataset 2 into an appropriate dataset summarizer.
- Paste in inferential statistics that measure evidence for the claim there is a relationship between the variables "number of false positives?" and "costs per passenger?" if you consider the whole population
Also paste in the scatterplot
Use this for question 2 of the assignment , also paste in the scatterplot | |||
Inferential statistics | |||
paste this into the word file and add comments | |||
correlation r | 0.894478064 | ||
R square | 0.800091008 | ||
estimate of population slope | 1.888080659 | ||
standard error of slope | 0.095335352 | ||
Confidence interval | |||
95% of samples slopes are within | 1.984467455 | ||
standard errors of the population slope | |||
you can be 95% confident the population slope is between | |||
1.698890755 | |||
and | |||
2.077270563 | |||
0 is not in the confidence interval so there is strong evidence of a relationship | |||
Hypothesis testing | |||
test stat of slope | 19.80462245 | ||
two sided p-value for slope | 4.93577E-36 | ||
To calculate the p-value H0:population slope =0 is assumed to be true | |||
since the test is two sided H1 is H1:population slope ?0 |
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