https://dananne.org/dw/ 2026-05-06T05:55:33+00:00 https://dananne.org/dw/ https://dananne.org/dw/lib/tpl/codowik/images/favicon.ico text/html 2019-01-12T13:20:45+00:00 Anonymous (anonymous@undisclosed.example.com) https://dananne.org/dw/doku.php?id=math-341:m341-s19-hw:hw-1&rev=1547328045&do=diff Mathematics 341 - Spring 2019 Homework * Either download and install R and RStudio on your computer, and check that they work, or check that you can use RStudio on the server at http://fisher.furman.edu. * Suppose the lifetimes, in hours, of ten light bulbs were found to be 335.9, 67.5, 92.4, 189.8, 399.6, 605.5, 1133.2, 939.2, 67.7, and 31.2. Store these data in a file, use read.table() to read them into R, use summary() to find a numerical summary, and use both hist() to make a histogram… text/html 2019-01-15T10:16:44+00:00 Anonymous (anonymous@undisclosed.example.com) https://dananne.org/dw/doku.php?id=math-341:m341-s19-hw:hw-2&rev=1547576204&do=diff Mathematics 341 - Spring 2019 Homework Section 5.2: 5.2.1, 5.2.3,5.2.4, 5.2.5, 5.2.6, 5.2.7, 5.2.8, 5.2.9 text/html 2019-01-22T10:11:39+00:00 Anonymous (anonymous@undisclosed.example.com) https://dananne.org/dw/doku.php?id=math-341:m341-s19-hw:hw-3&rev=1548180699&do=diff Mathematics 341 - Spring 2019 Homework Section 5.2: 5.2.10, 5.2.11,5.2.12, 5.2.13, 5.2.14, 5.2.15, 5.2.16 text/html 2019-01-24T08:30:34+00:00 Anonymous (anonymous@undisclosed.example.com) https://dananne.org/dw/doku.php?id=math-341:m341-s19-hw:hw-4&rev=1548347434&do=diff Mathematics 341 - Spring 2019 Homework Section 5.2: 5.2.17, 5.2.19,5.2.21, 5.2.22, 5.2.23 text/html 2019-01-27T08:52:04+00:00 Anonymous (anonymous@undisclosed.example.com) https://dananne.org/dw/doku.php?id=math-341:m341-s19-hw:hw-5&rev=1548607924&do=diff Mathematics 341 - Spring 2019 Homework Section 5.3: 5.3.1, 5.3.2, 5.3.3, 5.3.4, 5.3.5, 5.3.11, 5.3.13, 5.3.15, 5.3.19, 5.3.20, 5.3.23, 5.3.25, 5.3.27 Problem Set # 1 (due Friday, 1 February): Problems 5.2.4, 5.2.12, 5.2.16, 5.2.22 text/html 2019-01-29T09:24:59+00:00 Anonymous (anonymous@undisclosed.example.com) https://dananne.org/dw/doku.php?id=math-341:m341-s19-hw:hw-6&rev=1548782699&do=diff Mathematics 341 - Spring 2019 Homework Section 5.4: 5.4.2, 5.4.5, 5.4.9, 5.4.10, 5.4.11, 5.4.12, 5.4.15, 5.4.16 text/html 2019-01-31T08:40:05+00:00 Anonymous (anonymous@undisclosed.example.com) https://dananne.org/dw/doku.php?id=math-341:m341-s19-hw:hw-7&rev=1548952805&do=diff Mathematics 341 - Spring 2019 Homework Section 5.4: 5.4.17, 5.4.18, 5.4.19 (answer for $\hat{\theta_1}$ and $\hat{\theta_2}$ only), 5.4.20, 5.4.22 text/html 2019-02-03T11:07:56+00:00 Anonymous (anonymous@undisclosed.example.com) https://dananne.org/dw/doku.php?id=math-341:m341-s19-hw:hw-8&rev=1549220876&do=diff Mathematics 341 - Spring 2019 Homework Section 5.5: 5.5.1, 5.5.2, 5.5.3, 5.5.5 Problem Set # 2 (due Friday, 8 February): Problems 5.3.2, 5.4.12, 5.4.20, 5.4.22 text/html 2019-02-05T07:35:06+00:00 Anonymous (anonymous@undisclosed.example.com) https://dananne.org/dw/doku.php?id=math-341:m341-s19-hw:hw-9&rev=1549380906&do=diff Mathematics 341 - Spring 2019 Homework Section 5.6: 5.6.1, 5.6.4, 5.6.5, 5.6.6, 5.6.7(a) text/html 2019-02-07T08:14:57+00:00 Anonymous (anonymous@undisclosed.example.com) https://dananne.org/dw/doku.php?id=math-341:m341-s19-hw:hw-10&rev=1549556097&do=diff Mathematics 341 - Spring 2019 Homework Section 5.7: 5.7.2, 5.7.3(a) text/html 2019-02-14T09:21:32+00:00 Anonymous (anonymous@undisclosed.example.com) https://dananne.org/dw/doku.php?id=math-341:m341-s19-hw:hw-11&rev=1550164892&do=diff Mathematics 341 - Spring 2019 Homework Section 6.2: 6.2.1, 6.2.2, 6.2.3, 6.2.4, 6.2.5, 6.2.7(a), 6.2.8, 6.2.10, 6.2.11 Find $p$-values for all hypothesis tests. text/html 2019-02-17T12:18:46+00:00 Anonymous (anonymous@undisclosed.example.com) https://dananne.org/dw/doku.php?id=math-341:m341-s19-hw:hw-12&rev=1550434726&do=diff Mathematics 341 - Spring 2019 Homework Section 6.3: 6.3.1, 6.3.2, 6.3.3, 6.3.6 Section 6.4: 6.4.1, 6.4.3, 6.4.4, 6.4.5, 6.4.8 Find $p$-values for all hypothesis tests. text/html 2019-02-19T10:34:58+00:00 Anonymous (anonymous@undisclosed.example.com) https://dananne.org/dw/doku.php?id=math-341:m341-s19-hw:hw-13&rev=1550601298&do=diff Mathematics 341 - Spring 2019 Homework Section 6.3: 6.3.9 (use R to plot the power curve) Section 6.4: 6.4.12, 6.4.13, 6.4.18, 6.4.19, 6.4.23 (use R to plot the power curve) text/html 2019-02-21T09:18:50+00:00 Anonymous (anonymous@undisclosed.example.com) https://dananne.org/dw/doku.php?id=math-341:m341-s19-hw:hw-14&rev=1550769530&do=diff Mathematics 341 - Spring 2019 Homework Suppose $X_1, X_2, \ldots, X_n$ is a random sample from an exponential distribution with probability density function \[ f(x \ ; \ \lambda) = \begin{cases} \lambda e^{-\lambda x},&\text{if } x > 0, \\ 0,&\text{otherwise}. \end{cases} \] Consider the hypotheses $H_0 : \lambda = \lambda_0$ and $H_1 : \lambda = \lambda_1$ and a significance level $\alpha$. * Show that if $\lambda_0 < \lambda_1$, then the test given by the Neyman-Pearson lemma is equivale… text/html 2019-03-11T05:56:20+00:00 Anonymous (anonymous@undisclosed.example.com) https://dananne.org/dw/doku.php?id=math-341:m341-s19-hw:hw-15&rev=1552308980&do=diff Mathematics 341 - Spring 2019 Homework Section 6.5: 6.5.1, 6.5.2, 6.5.3, 6.5.5, 6.5.6 Problem Set # 3 (due Friday, 1 March): Problems 6.2.4, 6.2.10, 6.3.2, 6.4.4 Note: Use R to find $p$-values for 6.2.4, 6.2.10, and 6.3.2, and to plot the power curve in 6.4.4. Print out the power curve to hand in. text/html 2019-02-26T06:40:36+00:00 Anonymous (anonymous@undisclosed.example.com) https://dananne.org/dw/doku.php?id=math-341:m341-s19-hw:hw-16&rev=1551192036&do=diff Mathematics 341 - Spring 2019 Homework Section 4.6: 4.6.5, 4.6.7, 4.6.9 Section 7.3: 7.3.2 text/html 2019-02-28T08:38:17+00:00 Anonymous (anonymous@undisclosed.example.com) https://dananne.org/dw/doku.php?id=math-341:m341-s19-hw:hw-17&rev=1551371897&do=diff Mathematics 341 - Spring 2019 Homework Section 7.3: 7.3.4, 7.3.5, 7.3.8, 7.3.11 text/html 2019-03-09T10:55:57+00:00 Anonymous (anonymous@undisclosed.example.com) https://dananne.org/dw/doku.php?id=math-341:m341-s19-hw:hw-18&rev=1552157757&do=diff Mathematics 341 - Spring 2019 Homework Section 7.4: 7.4.7, 7.4.8, 7.4.10, 7.4.11, 7.4.17, 7.4.20, 7.4.21, 7.4.22 Problem Set # 4 (due Friday, 15 March): Problems 6.5.2, 6.5.5, 7.3.2, 7.3.4 text/html 2019-03-12T11:24:58+00:00 Anonymous (anonymous@undisclosed.example.com) https://dananne.org/dw/doku.php?id=math-341:m341-s19-hw:hw-19&rev=1552415098&do=diff Mathematics 341 - Spring 2019 Homework Section 7.5: 7.5.9(a), 7.5.10, 7.5.15, 7.5.16, 7.5.17 text/html 2019-03-15T06:06:11+00:00 Anonymous (anonymous@undisclosed.example.com) https://dananne.org/dw/doku.php?id=math-341:m341-s19-hw:hw-20&rev=1552655171&do=diff Mathematics 341 - Spring 2019 Homework Section 9.2: 9.2.1, 9.2.2, 9.2.3, 9.2.4, 9.2.5, 9.2.6, 9.2.7, 9.2.8, 9.2.9, 9.2.15 Section 9.5: 9.5.1, 9.5.2 text/html 2019-03-21T08:48:38+00:00 Anonymous (anonymous@undisclosed.example.com) https://dananne.org/dw/doku.php?id=math-341:m341-s19-hw:hw-21&rev=1553183318&do=diff Mathematics 341 - Spring 2019 Homework Section 9.3: 9.3.1, 9.3.2, 9.3.3, 9.3.4, 9.3.5, 9.3.7 Section 9.5: 9.5.6, 9.5.7 text/html 2019-03-24T07:49:59+00:00 Anonymous (anonymous@undisclosed.example.com) https://dananne.org/dw/doku.php?id=math-341:m341-s19-hw:hw-22&rev=1553438999&do=diff Mathematics 341 - Spring 2019 Homework Section 9.4: 9.4.1, 9.4.2, 9.4.3, 9.4.4, 9.4.5, 9.4.6, 9.4.7, 9.4.8, 9.4.9 Section 9.5: 9.5.9, 9.5.10, 9.5.12 text/html 2019-03-29T07:58:50+00:00 Anonymous (anonymous@undisclosed.example.com) https://dananne.org/dw/doku.php?id=math-341:m341-s19-hw:hw-23&rev=1553871530&do=diff Mathematics 341 - Spring 2019 Homework Section 10.3: 10.3.2, 10.3.3, 10.3.4, 10.3.5, 10.3.6, 10.3.7, 10.3.8, 10.3.9, 10.3.10 text/html 2019-03-28T09:11:20+00:00 Anonymous (anonymous@undisclosed.example.com) https://dananne.org/dw/doku.php?id=math-341:m341-s19-hw:hw-24&rev=1553789480&do=diff Mathematics 341 - Spring 2019 Homework Section 10.4: 10.4.1, 10.4.2, 10.4.3, 10.4.4, 10.4.7, 10.4.8, 10.4.9, 10.4.13 Also: * The file sat.txt has a column labeled satv containing the SAT verbal scores for 271 students. Is it reasonable to assume that these data come from a normal distribution? text/html 2019-04-07T09:04:49+00:00 Anonymous (anonymous@undisclosed.example.com) https://dananne.org/dw/doku.php?id=math-341:m341-s19-hw:hw-25&rev=1554653089&do=diff Mathematics 341 - Spring 2019 Homework Section 10.5: 10.5.1, 10.5.2, 10.5.3, 10.5.4, 10.5.5, 10.5.6, 10.5.7, 10.5.8, 10.5.9, 10.5.10 Problem Set # 5 (due Friday, 5 April): Problems 9.3.2, 9.4.2, 10.3.10, 10.4.4 For any hypothesis tests, state the hypotheses, the form of the test statistic, the observed value of the test statistic, the $p$ text/html 2019-04-04T07:54:35+00:00 Anonymous (anonymous@undisclosed.example.com) https://dananne.org/dw/doku.php?id=math-341:m341-s19-hw:hw-26&rev=1554389675&do=diff Mathematics 341 - Spring 2019 Homework Section 11.2: 11.2.1, 11.2.2, 11.2.3, 11.2.7, 11.2.9, 11.2.13 text/html 2019-04-07T09:25:50+00:00 Anonymous (anonymous@undisclosed.example.com) https://dananne.org/dw/doku.php?id=math-341:m341-s19-hw:hw-27&rev=1554654350&do=diff Mathematics 341 - Spring 2019 Homework Problem Set # 6 (due Friday, 12 April): Problems 10.5.8, 11.2.2, and: The file pearson.txt contains data from Karl Pearson's study of heights of fathers and sons. The column labeled Father contains the heights of the fathers. Is it reasonable to assume that these data come from a normal distribution?$p$ text/html 2019-04-09T12:12:15+00:00 Anonymous (anonymous@undisclosed.example.com) https://dananne.org/dw/doku.php?id=math-341:m341-s19-hw:hw-28&rev=1554837135&do=diff Mathematics 341 - Spring 2019 Homework Section 11.3: 11.3.1, 11.3.2, 11.3.3, 11.3.8, 11.3.9 text/html 2019-04-11T08:09:57+00:00 Anonymous (anonymous@undisclosed.example.com) https://dananne.org/dw/doku.php?id=math-341:m341-s19-hw:hw-29&rev=1554995397&do=diff Mathematics 341 - Spring 2019 Homework Section 11.3: 11.3.16, 11.3.17, 11.3.18, 11.3.19, 11.3.20 text/html 2019-04-23T10:31:06+00:00 Anonymous (anonymous@undisclosed.example.com) https://dananne.org/dw/doku.php?id=math-341:m341-s19-hw:hw-30&rev=1556040666&do=diff Mathematics 341 - Spring 2019 Homework Section 12.2: 12.2.1, 12.2.2, 12.2.3, 12.2.4, 12.2.5 Section 12.3: 12.3.1, 12.3.2, 12.3.3, 12.3.4