Net migration of EU citizens The Office for National Statistics is the United Kingdom’s largest independent producer of official statistics. According to its findings, the net migration of EU citizens to the UK was estimated to be 184,000 in the year ending December 2015 as compared to 174,000 in the year ending December 2014. This difference is not statistically significant 1P-value 6 0.052.
a. How would you explain to someone who has never taken a statistics course what it means for the result to be “statistically significant” with a P-value 6 0.05?
b. Explain why it would have been more informative if the actual P-value had been provided rather than merely indicating that it is below 0.05.
c. Can you conclude that a practically important change in the net migration of EU citizens has occurred between 2014 and 2015? Why or why not?
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