Please all parts

mestlon 1[1[l marks} [i] What is the difference between a population parameter and a sample statistic}I Use the mean as an example. [3 marks] [ii] Explain what is meant by sample selection bias and why it can mean the data we have could paint a misleading picture ofwhat is really happening. [3 marks] [iii]. A researcher has reported the following result: "we are 95% confident that the mean lies between 512.4 and 5113.\" Give a more technical explanation and interpretation of what this confidence interval actually means. [4 marks]