can someone help and show working out please!
Question Answered step-by-step can someone help and show working out please! can someone help and show working out please!Image transcription textQuestion 2 (14 marks) A British statistician and biologist introduced a data set which consists of 50 samples from each of two species of Iris (Iris setosa and Iris versicolor). The width of sepals was measured from each sample in centimetres. This data set is available as Excel file “sepal width.xlsx” on Moodle in the “Assessment” block. Does the data provide evidence for a difference in the sepal widths between Iris setosa and Iris versicolor? a Construct a suitable confidence interval at a confidence level of 95%. State your conclusion. b Conduct a suitable test of significance at a significance level of 5%. c) Is the conclusion from the confidence interval calculation above the same as the conclusion of the test above? Explain why or whynot…. Show moreImage transcription textsetosa sample mean 3.428 sample standard deviation 0.379064 sample size 50 versicolor sample mean 2.77 sample standard deviation 0.313798 sample size50… Show more Math Statistics and Probability STATISTICS STF1093 Share QuestionEmailCopy link Comments (0)
