Using the figure above, explain why we know there is evidence to support the alternative hypothesis. Figure 4plot_t(df= 994.04, shadeValues = c(-2.8495, 2.8495), direction = "beyond")t(994.04) Distribution-2.85-32.853.-2-11

Answered: Image /qna-images/answer/9f4f3d3e-39f5-4650-8110-927eba22a36f.jpg

Answered: Figure 4 plot_t(df = 994.04,…

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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Data from 12 individuals was collected about their sleeping habits after meditation. These scores represent their sleep quality based on a 5 point Likert scale with higher numbers meaning better sleep quality. Use a μ = 2.4 SD = 0.75. Do these individuals differ in their sleep quality compared to the group average? Solve using the five steps of hypothesis testing. how to find Ho: M and HA: M (this is part of an assignment that can be completed as many times as necessary for 100% or whatever grade you choose, I'm just trying to understand how to do all of this because it's an online summer course and I'm very lost. Any help would be appreciated in learning to understand)
Recall the scenario from the previous page. A psychic claims to be able to predict the outcome of coin flips before they happen. Someone who guesses randomly will predict about half of coin flips correctly. In 100 flips, the psychic correctly predicts 57 flips. Do the results of this test indicate that the psychic does better than random guessing? The hypotheses are H0: p=0.50p=0.50 Ha: p>0.50p>0.50 where p is the proportion of correct coin flip predictions by the psychic. 1. determine the P-value. 2. Give the conclusion based on the P-value above. Use a 5% level of significance.
Answer the 2 questions only
the national average SAT score is roughly 1500. We would like to see if the high school seniors who apply to Duke have higher than average SAT scores. We randomly sample 100 applicants' files and record their SAT scores. Which of the following is the correct set of hypotheses for this research question? Hint: think about how many samples we have data from. H0: μ = 1500; HA: μ ≠ 1500 H0: p = 1500; HA: p > 1500 H0: x = 1500; HA: x > 1500 H0: μ Duke= μ National; HA: μ Duke> μ National H0: μ = 1500; HA: μ > 1500
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It is given that AC = AD and ¿CAB = ¿DAB A C B Show that ¿CBA = ¿DBA? Explain your reasoning in a complete sentence.
Decide whether to reject or fail to reject the null hypothesis. Choose the correct answer below.
I need help understanding the null hypothesis and when to “reject” or “fail to reject” it. I got 5.77 in 3df and a critical value of 7.82.
please answer thankyou
Solve for the entire question correctly please
An oil brand claims that the average mileage with one gallon of their gasoline is 25mi. You recorded the mileage of 10 independent cars with a gallon of said gasoline and obtained an average of 23.7mi. You want to determine if this is enough evidence to say that the brand is overestimating. What is the alternative hypothesis for this problem? a. u 25 c. d. u = 23.7 u #25
The first picture is the question and the second is the ones that need help with. Just B,C,DThanks!

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Figure 4 plot_t(df = 994.04, shadeValues = c(-2.8495, 2.8495), direction = "beyond") t(994.04) Distribution -2.85 -3 2.85 3. -2 -1 1