1.Answer each question.(a) What is the difference between a statistic and a parameter. Give an example to illustratethis difference.(b) Which of the following sampling methods is not considered statistically valid?cluster samplingsimple random sampling(i)(ii)(iii) judgement sampling(iv)multistage sampling(c) What is a placebo controlled double blind study?(d) A polling firm reported that, according to their recent poll, 23% of voters in UpperCrowsroost would vote for the Old Hat Party in the upcoming election. They said this result wascorrect to within ± 2.4%, 19 times out of 20. Find:The margin of error:The confidence level:The proportion of the sample that would vote for the Old Hat Party:

Since you have posted a question with multiple subparts, we will solve the first three complete…

(a) What is the difference between a statistic and a parameter. Give an example to illustrate this difference. (b) Which of the following sampling methods is not considered statistically valid? (i) cluster sampling simple random sampling (iii) judgement sampling (iv) multistage sampling (c) What is a placebo controlled double blind study? (ii)

(a) What is the difference between a statistic and a parameter. Give an example to illustrate this difference. (b) Which of the following sampling methods is not considered statistically valid? (i) cluster sampling simple random sampling (iii) judgement sampling (iv) multistage sampling (c) What is a placebo controlled double blind study? (ii)

Holt Mcdougal Larson Pre-algebra: Student Edition 2012

1st Edition

ISBN:9780547587776

Author:HOLT MCDOUGAL

Publisher:HOLT MCDOUGAL

Chapter11: Data Analysis And Probability

Section11.4: Collecting Data

Problem 2E

See similar textbooks