Measuring lung function: One of the measurements used to determine the heelth of a person's lungs is the amount of air a person can exhale under force inone second. This is called the forced expiratory volume in one second, and is abbrevlated FEV, Assume the mear FEV for 10-year-cld boys is 2.1 liters andthat the population standard deviation is oto have a sample mean FEV, of 2.05 liters. Can you conclude that the mean FEV. in the high-pollution community is less than 2.1 liters? Use the a=0.10 levelof significance and the P-value method with the table.0.4. A random sample of 34 10-year-old boys who live in a community with high levels of ozone pollution are found Part 4 of 5Determine whether to reject H:Do not reject v the null hypothesis H.RejectDo not rejectPart: 4 / 5Part 5 of 5State a conclusion.There (Choose one) v enough evidence to conclude that the mean FEV, in high-pollution community is less than2.1 liters.

Given : sample size, n = 34 sample mean, x̄ = 2.05 population standard…

Answered: Determine whether to reject H: Do not…

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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Example: Paired t-Test 2 • 100 febrile patients have their temperature recorded. They are then given pill A. After one hour, their temperature is recorded again. Did their temperature significantly change? Mean temp ● ● ● ● Before After (Change) a) What hypothesis test? b) Assumptions? c) Hypotheses? d) Test statistic? e) df? Critical value=1.984 101.34 99.76 1.58 f) Conclusion? g) 95% CI of the drop in temperature? SD temp 0.28 0.50 0.63
al Exam tps://ezto.mher nework: Chapte ections 84 O You received partial credit in the previous attempt. Check my work View previous attempt Concerns about climate change and CO2 reduction have initiated the commercial production of blends of biodiesel (e.g., from renewable sources) and petrodiesel (from fossil fuel). Random samples of 41 blended fuels are tested in a lab to ascertain the bio/total carbon ratio. (a) If the true mean is .9220 with a standard deviation of 0.0060, within what interval will 90 percent of the sample means fall? (Round your answers to 4 decimal places.) The interval is from Ito (b) If the true mean is .9220 with a standard deviation of 0.0060, what is the sampling distribution of X ? 1. Exactly normal with u=.9220 and o = 0.0060. 2. Approximately normal with µ = .9220 and o = 0.0060. 3. Exactly normal with u=.9220 and o = 0.0060 /41 4. Approximately normal with µ= .9220 and o = 0.0060 //41. Retake Use Photo
Past research has indicated that the average age of death row inmates is 41 years old. researcher would like to determine if the average age has changed. She randomly selects 50 death row inma s and ds their average age to be 37 years old. The hypothesis the statistician wants to test is: a. Ho: µ=37 vs_ Ha: µ ± 41. b. Ho: µ=41 vs Ha: µ< 41. Ho: u = 41 vs. H: u 41 d. Ho: µ=37 vs_Ha: µ< 41. C. 2. If a player at a casino is playing roulette and betting on red, there is a 18 / 38 or 0.474 chance that he will win on any spin of the roulette wheel. If we take a random sample of 300 players betting on red, then p is the proportion of times that the player wins. What is the mean of the sampling distribution of p? t' a. b. What is the standard deviation (os) of the sampling distribution of p? c. If repeated samples of 300 players are taken, what would be the range of the sample proportion of players victories according to the 95 part of the 68-95-99.7 rule" pts) 3. The z statistic for a…
I did this question already, I would just like some confirmation if my answers are correct. my answers to this problem were: Reject H0 and The test statistic falls within the region.
SHOW COMPLETE SOLUTION PLS
please answer all parts
Can someone help with the assumptions and the conclusion/interpretations?
2. Consider Ho: H1 H2 H3 = Hμ44= μs a. Complete the ANOVA table. Source of Variation Between - column Within-column Total Solutions: Sum of Squares 118 140 df b. Using 1% level of significance, would you reject Ho? Mean Sum of Squares 15.56 F-value Critical Value / Tabular Value Decision
Please answer 27-31, asap please
answer part 3
If a treatment is expected to decrease scores in a population with µ= 30, then the alternative hypothesis is µ ≤ 30. True or false?
answer part 3

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Determine whether to reject H: Do not reject the null hypothesis Ho. Reject Do not reject Part: 4 / 5 Part 5 of 5 State a conclusion. There (Choose one) v enough evidence to conclude that the mean FEV, in high-pollution community is less than 2.1 liters.