More effective drugs: An antifungal medication was applied to the skin of eight adult subjects. One hourlater, the amount of active ingredient that had been absorbed into the skin was measured for each subject.Following is a boxplot for the simple random sample. Is it reasonable to assume that the conditions forperforming a hypothesis test are satisfied? Explain.0102030Xoutliers.4050The boxplot shows that there (Choose one)The boxplot shows that there (Choose one)evidence of strong skewness.We (Choose one)assume that the population is approximately normal.It (Choose one) reasonable to assume that the conditions are satisfied.XG

We have given a box-plot with a outlier based on thos we have to fill all the blanks

Answered: More effective drugs: An antifungal…

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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In the Texas senate races, a candidate must clear 50% to avoid a runoff election. In a recent poll of 1040 voters in Texas, 51% of voters preferred candidate. We will a hypothesis test to see if we can say at the 5% significance level that more than 50% of voters in Texas prefer candidate based on this poll. State the null and alternative hypothesis. Find the test-statistic. Find the P-value. Make a conclusion. Interpret your answer.
If sample data is such that for a one-tailed test of ? you can reject H0 at the 1% level of significance, can you always reject H0 for a two-tailed test at the same level of significance? Explain your answer? A. Yes. If H0 for a one-tailed test is rejected at the 1% level of significance, it will always be rejected for a two-tailed test at the same level of significance. B. No. If H0 for a one-tailed test is rejected at the 1% level of significance, it will never be rejected for a two-tailed test at the same level of significance. C. Yes. The P-value for the two-tailed test could be greater than 0.01. D. No. The P-value for the two-tailed test could be greater than 0.01.
Two computer users were discussing tablet computers. A higher proportion of people ages 16 to 29 use tablets than the proportion of people age 30 and older. The table below details the number of tablet owners for each age group. Test at the 1% level of significance. (For subscripts let 1 = 16-29 year old users, and 2 = 30 years old and older users.) 16–29 year olds 30 years old and older Own a Tablet 69 231 Sample Size 625 2,313 NOTE: If you are using a Student's t-distribution for the problem, including for paired data, you may assume that the underlying population is normally distributed. (In general, you must first prove that assumption, though.) Part (a) State the null hypothesis. H0: p1 < p2 H0: p1 > p2 H0: p1 ≠ p2 H0: p1 = p2 H0: p1 ≥ p2 Part (b) State the alternative hypothesis. Ha: p1 < p2 Ha: p1 ≠ p2 Ha: p1 = p2 Ha: p1 > p2 Ha: p1 ≤ p2 Part (c) In words, state what your random variable P'1 − P'2 represents. P'1 −…
A statistics instructor believes that fewer than 20% of Evergreen Valley College (EVC) students attended the opening night midnight showing of the latest Harry Potter movie. She surveys 84 of her students and finds that 11 of them attended the midnight showing. At a 1% level of significance, what is an appropriate conclusion? Solve the following problems using the steps in conducting hypothesis tests.
M&M sweets come in a variety of colours, blue, brown, green, orange, red and yellow. The overall proportions for the colours are: In a sampling study, several bags of M&M were opened, and the following colour counts were obtained Use a 0.05 level of significance and the sample data to test the hypothesis that the overall proportions for the colours are as stated. What is your conclusion? Blue Brown Green Orange Red Yellow 0.24 0.13 0.20 0.16 0.13 0.14 Blue Brown Green Orange Red Yellow 105 72 89 84 70 80
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Hi, I would appreciate if you could help me with these questions please. Thank you so much in advance.
Does average cost of textbooks differ between Social Sciences and Natural Sciences? Based on a sample of 60 textbooks, the mean cost of Social Sciences textbooks is $175.2 and the mean cost of Natural Sciences textbooks is $120.25. Below is a randomization graph for this question with 1000 samples. Let group 1 be Social Sciences and group 2 be Natural Sciences. Perform a test of these hypotheses: Ho: P1 = P2 Ha P1* P2 ... .... -60 -40 -20 20 40 60 null = 0
Please help me with both parts a and b of this question! Thank you!

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