# Download Introduction to Statistics Using Resampling Methods and by Phillip I. Good PDF

April 5, 2017 | | By admin |

By Phillip I. Good

Meant to be used or self-study, this article aspires to introduce statistical method to a large viewers - easily, intuitively, and successfully - via resampling from facts handy and in terms of Microsoft place of work Excel. the target of the booklet is to exploit quantitative the way to represent, evaluation, record on, try out, estimate, and classify findings.

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Additional resources for Introduction to Statistics Using Resampling Methods and Microsoft Office Excel

Sample text

Probably not. Would the means, medians, IQRs, and so forth have been similar for the two sets of students? Maybe, if the two samples had been large enough and similar to each other in composition. If we interviewed a sample of women and a sample of men regarding their views on women’s right to choose, would we get similar answers? Probably not, as these samples would be drawn from completely different populations (different, that is, with regard to their views on women’s right to choose). If we want to know how the citizenry as a whole feels about an issue, we need to be sure to interview both men and women.

Here is why: To get two heads in a row, we must throw a head on the ﬁrst toss, which we expect to do in a proportion p of attempts. Of this proportion, only a further fraction p of two successive tosses also end with a head, that is, only p*p trials result in HH. Similarly, the probability of throwing 10 heads in a row is p10. By the same line of reasoning, we can show that the probability of throwing nine heads in a row followed by a tail when we use the same weighted coin each time is p9(1 - p).

13. In how many different ways can we choose 5 from 10 things? 2. 4 What is the probability of ﬁve heads in 10 tosses? What is the probability that ﬁve of 10 breast cancer patients will still be alive after six months? We answer this question in two stages. First, what is the number of different ways we can get ﬁve heads in 10 tosses? ) ways. The probability the ﬁrst of these events occurring—ﬁve heads followed by ﬁve tails—is (1/2)10. Combining these results yields ( ) Ê 10ˆ Pr {5 heads in 10 throws of a fair coin} = Á ˜ 1 Ë 5¯ 2 10 We can generalize the preceding to an arbitrary probability of success p, 0 £ p £ 1.