You may need to use the appropriate technology to answer this question.A standardized exam consists of three parts: math, writing, and critical reading. Sample data showing the math and writing scoresfor a sample of 12 students who took the exam follow.Student123456789101112= 0Ho: Md > 0Ha: Md ≤MathHo: Md 0Ha: Md= 0540Ho: Md = 0Ha: Md#0432528574448502480499610572Formulate the hypotheses.Ho: Md ≤ 0Ha: Md390593Writing468374463612420526430459(a) Use a 0.05 level of significance and test for a difference between the population mean for the math scores and the populationmean for the writing scores. (Use math score - writing score.)615541335613Ho: Md ≤0Ha: Md > 0Calculate the test statistic. (Round your answer to three decimal places.)Calculate the p-value. (Round your answer to four decimal places.)p-value = What is your conclusion?Do not reject Ho. We can conclude that there is a significant difference between the population mean scores for the mathtest and the writing test.Reject Ho. We can conclude that there is a significant difference between the population mean scores for the math testand the writing test.Do not reject Ho. We cannot conclude that there is a significant difference between the population mean scores for themath test and the writing test.Reject Ho. We cannot conclude that there is a significant difference between the population mean scores for the math testand the writing test.(b) What is the point estimate of the difference between the mean scores for the two tests? (Use math score - writing score.)What are the estimates of the population mean scores for the two tests?MathWritingWhich test reports the higher mean score?The math test reports a ---Select--- ✓ mean score than the writing test.

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MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

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When a t-test is used to compare pre- and post-treatment data. What does the t-test reveal about the difference between baseline and treatment?
The National Sleep Foundation recommends that adults aged 18 to 64 get an average of 8 hours of sleep per night. A survey of sleep hours was taken during a Statistics class. The 25 data values listed below: 4, 5, 5, 5, 5.5, 6, 6, 6, 6, 7, 7, 7, 7, 7, 7, 7, 8, 8, 8, 8, 9, 9, 9, 10, 10 Do we have enough evidence at the 0.05 significance level to say that GRCC MA 215 students tend to get less sleep than the recommended average of 8 hours per night?
This is a practice question. Need help understanding this topic not for a grade. Thanks :)
draw a histogram that is symmetric but not mound-shaped
A blog noted that "there has been increasing anecdotal evidence that vitamin C may still be useful as an anticancer medicine if used in high concentrations and given directly into the vein (intravenously)." Use this information to answer the questions below. Question content area bottom Part 1 Explain what it means that there is "increasing anecdotal evidence" that Vitamin C may be a useful anticancer medicine. A. There is no evidence that shows Vitamin C may be a useful anticancer medicine. B. There is scientific evidence that Vitamin C is a non-useful anticancer medicine. C. There is an increase in rigorous or scientific analysis that shows Vitamin C may be a useful anticancer medicine. D. There is an increase in observations or personal experiences that shows Vitamin C may be a useful anticancer medicine. Part 2 How does anecdotal evidence contrast with scientific evidence? A. They are stories about individual cases.…
PERFORMANCE TASK : SOLVE FOR QUARTILES GROUPED DATA Scores Frequency cf 30-34 3 6. 8. 5 10-14 n =
Please do c & d
A survey was developed to estimate the average number of hours per week that adults spend exercising. Every third person entering a large fitness complex was surveyed, with a total of 2,500 people being surveyed. The data showed that the mean number of hours spent exercising was 3.2 hours per week. Which characteristic of the survey could create a bias in the results? The size of the sample The size of the sample The method of analyzing the data The method of analyzing the data The method of choosing the people who were surveyed The method of choosing the people who were surveyed The size of the population
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