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- Use theorem 5.4.3 to form a proportion in which TS is a geometric mean. Hint: TVSTSR Exercises 1-6Pretend that you are conducting a study on academic adjustments ofstudents in Claver National High School on the learning delivery modalities during thistime of COVID – 19 pandemic. The school has a total population of 2,000 students.Assume that you take only 30% of the total population of your sample. Collect your databy answering the guide questions below.1. Who are your respondents? __________________________________________2. How many people do you need in your sample? __________________________3. How will you select these people? _____________________________________A legal case rested on whether a patent witness' signature was written on top of key text in a notebook or under the key text. The zinc measurements for three notebook locations on a text line, on a witness line, and on the intersection of the witness and text line-are provided in the table below. Complete parts a through c below. Text line Witness line 0.319 0.384 0.327 Intersection Find the test statistic. HT-1400 0.321 0.307 0.327 t = (Round to two decimal places as needed.) Find the p-value. p-value= (Round to three decimal places as needed.) a. Use a test (at a = 0.02) to compare the mean zinc measurement for the text line with the mean for the intersection. Let μ represent the mean zinc measurement for the text line, let uw represent the mean zinc measurement for the signature of a patent witness, and let μ, represent the mean zinc measurement for the intersection line. Select the correct hypotheses below. OA. Ho: HT-Hw=0, H₂: HT μ₁0 OB. Ho: HT-H₁0, H₂: HT-H₁0 O C. Ho: HT-HW = 0,…
- 0.9959 or .0441Q.2. Because of potential variability in aging due to different castings and segments on the castings, a Latin square design with N=7 was used to investigate the effect of heat treatment on aging. With A= castings, B = Σχ = 297,216.90, segments, C = heat treatments, summary statistics include x... = 3815.8, Σχ = 297,155.01, and 297,200.64, = 297,317.65. Obtain the ANOVA table and test at level .05 the hypothesis that heat treatment has no effect on aging.Iim. 1 2 3
- Webasskgh.het/web/Student/Assignment-Responses/submit?dep=23798372&tags=autosavelquestion3779659 11 O á * : O SPS Programs Online Locker: Virtu. A Untitled document- G kji - Google Search I Spanish Trevor is Interested in purchasing the local hardware/sporting goads store in the small town of Dove Creek, Montana. After exemining accounting records for the past several years, he found that the store has been grossing over $850 per day about 65% of the business days It is open. Estimate the probability that the store will gross over $850 for the following. (Round your answers to three decimal places.) (a) at least 3 out of 5 business days 0.65 (b) at least 6 out of 10 business days 0.591 (c) fewer than 5 out of 10 business days 0.629 (d) fewer than 6 out of the next 20 business days 0.839 shake your confidence in the statement p = 0.65? Might it make you suspect that p is less than 0.65? Explain. If the outcome described in part (d) actually occurred, might Yes. This is unlikely to…5. Lengths of Major U.S. Rivers A researcher wishes to see if the average length of the major rivers in the United States is the same as the average length of the major rivers in Europe. The data (in miles) of a sample of rivers are shown. At a = 0.01, is there enough evidence to reject the claim? Assume o,= 450 and o, = 474. %3D United States Europe 729 560 434 481 724 820 505 496 532 357 360 865 329 332 450 2315 1776 1122 1224 1420 330 410 1036 634 230 326 626 800 1310 605 329 447 600 652 877 580 210 1243 360 447 567 252 525 926 722 824 932 600 634 1124 1575 310 375 1979 850 430 565 405 2290 532 710 545 259 675 454 300 470 425 Source: The World Almanac and Book of Facts.Determine and ox from the given parameters of the population and sample size. μ = 44, o = 10, n = 32 ox= (Round to three decimal places as needed.)
- To determine the average length of hospital stay for patients who were hospitalized with and recovered from Covid-19, a physician randomly surveyed 100 of his patients and determined their average length of hospital stay. Identify the population, parameter, sample, and statistic for the above scenario. Write "NONE" for any information that is missing.Q.6What is the difference between an observational study and an experiment? Choose the correct answer below. OA. In an experiment, a treatment is applied to part of a population and responses are observed. In an observational study, a researcher measures characteristics of interest of a part of a population but does not change existing conditions. OB. In an experiment, a treatment is applied to an entire population and responses are observed. In an observational study, a researcher measures. characteristics of interest of an entire population but does not change existing conditions. OC. In an experiment, a researcher measures characteristics of interest of a part of a population but does not change existing conditions. In an observational study, a treatment is applied to part of a population and responses are observed. OD. In an experiment, a researcher measures characteristics of interest of an entire population but does not change existing conditions. In an observational study, a…
