Which way of knowing benefits from evidence on the expertise of the source of information? rationalism empiricism authority intuition
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Which way of knowing benefits from evidence on the expertise of the source of information?
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- *MUST SHOW WORK* A researcher designed a study to find out the effectiveness of two teaching methods: lecture-style vs. discussion-style. He compares the test scores of the students taught with these two different methods. The scores on the test range from 0 to 41 with higher scores indicating better performance. The test results are provided in the table below: Group Methods n M SS 1 lecture-style 15 24 336 2 discussion-style 15 28 392 a. Do students taught with the discussion style perform better than those taught with the lecture style? Use the .05 significance level for the one-tailed test. Show the four steps of hypothesis testing, and describe the hypotheses and conclusion in words as well as notations b. Compute (show calculation steps) and interpret r2Price and Marketing How influenced are consumers by price and marketing? If something costs more, do our expectations lead us to believe it is better? Because expectations play such a large role in reality, can a product that čosts more (but is in reality identical) actually be more effective? Baba Shiv, a neuroeconomist at Stanford, conducted a study involving 204 undergraduates. In the study, all students consumed a popular energy drink which claims on its packaging to increase mental acuity. The students were then asked to solve a series of puzzles. The students were charged either regular price ($1.89) for the drink or a discount price ($0.89). The student receiving the discount price were told that they were able to buy the drink at a discount since the drinks had been purchased in bulk. The authors of the study describe the result: "the number of puzzles solved was lower in the reduced-price condition (M = 4.2) than in the regular-price condition (M 5.8)...p < 0.0001". Shiv B.,…Show complete solution
- Checking answer Supposed that your Math test score, 60, has a percentile rank of 30 %; your English test score, 80, has a percentile rank of 70 %; your Sociology test score, 90, has a percentile rank of 50 %. For which test, the highest grade is expected if the grade is based on relative standing of your score compared to others’ scores? Math English Sociology Can not be determined.Identify the claim with the correct hypothesis find the critical values compute the test value make the decision summarize the resultsIn regression, the difference between the confidence interval and prediction interval formulas is Multiple Choice the prediction interval is the square root of the confidence interval the addition of 1 to the quantity under the radical sign no difference the prediction interval uses and the confidence interval uses r
- Type of Medicine A medical researcher wishes to determine if the type of vitamin pills taken is related to the age of the person. The data are shown. At α=0.10, is the type of vitamin related to the age of the person taking the vitamin? Use the critical value method with tables. Type Age Liquid Tablet Gummy 20 - 39 5 16 7 40 - 59 10 24 15 60 -over 12 9 8 1) State the hypotheses and identify the claim. H0: The type of vitamin pill is (DEPENDANT ON or INDEPENDANT OF?) the age of the person taking the pill. (CLAIM OR NOT CLAIM?) H1: The type of vitamin pill is (DEPENDANT ON or INDEPENDANT OF?) the age of the person taking the pill. (CLAIM OR NOT CLAIM?) 2. Find the critical value 3. Compute the test value: X^2= 4. Reject or Do not reject the null hypothesis 5. Summarize: Is there or is there not enough evidence to reject the claim?Is there or is there not enough evidence to support the claim?Testing Hypothesis A medical researcher says that less than 25% of Filipino adults are smokers. In a random sample of 200 Filipino adults, 19.3% say that they are smokers. At a = 0.05, what is the decision on its hypothesis? O Reject null hypothesis O Fail to reject null hypothesiscan you please solve it now
- Home Prices A real estate agent compares the selling prices of homes in two municipalities in a certain location to see if there is a difference. The results of the study are shown. Is there enough evidence to reject the claim that the average cost of a home in both locations is the same? Use a = 0.10. City A City B X = $96,950 X,= $98,600 o, = $5602 0, = $4731 n, = 36 n2= 37 Part 1 of 5 motheses and identify the claim. separate them with (s):-1.65, 1.65 Part: 2 / 5 Part 3 of 5 (c) Compute the test value. Always round z score values to at least two decimal places.An instructor for a test preparation course claims that the course will improve the test scores of students. The table shows the critical reading scores for 14 students the first two times they took the test. Before taking the test for the second time, the students took the instructor's course to try to improve their critical reading test scores. At a = 0.01, is there enough evidence to support the instructor's claim? Complete parts (a) through (f). 5 6 7 8 9 10 11 12 13 14 e 1635 543 475 381 498 454 495 496 529 408 508 477 404 607 Score on second test 637 594 526 418 442 465 478 599 599 459 519 506 447 630 Student 1 23 4 Score on first test (a) Identify the claim and state H, and Ha. The claim is "The students' critical reading test scores V the second time they took the test." Let H, be the hypothesized mean of the students' first score minus their second score. State Ho and H,. Choose the correct answer below. O A. Ho: Ha s0 Ha: Ha > 0 O B. Ho: Ha 2d H3: HaThanksSEE MORE QUESTIONS
