Listed in the accompanying table are numbers of hospital admissions in one region due to trafficaccidents on different Fridays falling on the 6th day of a month and the following 13th day of the month.Assume that we want to use a 0.05 significance level to test the claim that the data support the claim thatthe same number of hospital admissions due to traffic accidents occur on Friday the 6th than on thefollowing Friday the 13th. Identify the null hypothesis and alternative hypothesis.Let the differences be the accidents on the 6th minus the accidents on the 13th.The null hypothesis is Ho: Hd ▼(Type an integer or a decimal. Do not round.)-CFriday 6thFriday 13th10145 1310149912511

We need to use 0.05 level of significance to test the claim that the data support the claim that the…

Answered: Listed in the accompanying table are…

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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The last part of the question, the options are: sufficient OR insufficient; support OR do not support. Thx!
According to the most recent General Social Survey, 70% of adults watch TV nightly. A researcher believes that the proportion of college students who watch TV nightly is less than this. To test this claim the research samples 400 college students and finds that 276 watch TV nightly. At the 0.05 level of significance does this data provide evidence to suggest that the proportion of college students who watch TV nightly is less than 70%? Select the correct hypothesis test for this problem:
Researchers collected data on the numbers of hospital admissions resulting from motor vehicle crashes, and results are given below for Fridays on the 6th of a month and Fridays on the following 13th of the same month. Use a 0.05 significance level to test the claim that when the 13th day of a month falls on a Friday, the numbers of hospital admissions from motor vehicle crashes are not affected. Friday the 6th: 9 6 10 10 3 5 Friday the 13th: 14 13 13 9 5 12 What are the hypotheses for this test? Let μd be the ▼ mean of the differences difference between the means in the numbers of hospital admissions resulting from motor vehicle crashes for the population of all pairs of data. H0: μd ▼ less than< less than or equals≤ equals= greater than or equals≥ greater than> not equals≠ 0 H1: μd ▼ greater than> equals= not equals≠ greater than or equals≥ less than< less than or equals≤ 0 Find the value…
A political scientist claims that 38% of first-year college students characterize themselves as being “moderate” or “middle of the road” as far as their political affiliation is concerned. Believing this claimed value is too high, you survey a random sample of 400 first-year college students and find that 120 characterize themselves as being “moderate” or “middle of the road.” Based on this information, what will the test statistic be? Choose the answer below that is closest to what you calculate, and try not to do a lot of rounding until you get to the very end of your calculations. 1. -0.3 2. -1.2 3. -2.6 4. -3.3 5. None of the other answer options are correct because the test statistic should be positive, not negative.
Suppose 230 subjects are treated with a drug that is used to treat pain and 52 of them developed nausea. Use a 0.10 significance level to test the claim that more than 20% of users develop nausea. Identify the null and alternative hypotheses for this test. Choose the correct answer below. A. H0:p=0.20 H1:p>0.20 B. H0:p=0.20H1: p≠0.20 C. H0:p=0.20 H1:p<0.20 D. H0:p>0.20 H1:p=0.20 Identify the test statistic for this hypothesis test. The test statistic for this hypothesis test is ___________ (Round to two decimal places as needed.) Identify the P-value for this hypothesis test. The P-value for this hypothesis test is ___________ (Round to three decimal places as needed.) Identify the conclusion for this hypothesis test.
Provide all necessary solutions to arrive at the needed answer for each problem. Do not forget to provide proper interpretations for resulting measures and/or tests conducted.
5. In a certain county, the local newspaper reports that the average family income for that county is $45,000. Economists at the university believe that first-time home buyers have an average family income which is higher than this. Which of the following hypotheses would be appropriate for a significance test? Ho: u= 45, 000 Ha: µ# 45, 000 b. H.: u= 45, 000 Ha: µ> 45, 000 H.: u= 45, 000 Ha: u 45, 000 Ha: u = 45, 000 a. C. е.
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1
The table below lists frequencies for randomly selected nonfatal occupation injuries arranged according to day of the week. Assume that we want to use a 0.05 significance level to test the claim that such injuries occur with equal frequency on different days of the week. Day Number (C) Ho: P1 H₁ P₁ (B) Ho: P1 = P2 = P3 = P4 = P5 H₁ P₁ P2 P3 P4 P5 : Monday 23 O (D) O (B) O (C) Tuesday 23 Part (a) What are the null and alternative hypotheses corresponding to the stated claim? (A) Ho: P1 = P2 = P3 = P4 = P5 H₁: At most one of the probabilities is different from the others. O (A) P2 = P3 P2 > P3 Wednesday P4 P5 P4 P5 21 Thursday (D) Ho: P₁ = P2 = P3 = P4 = P5 H₁: At least one of the probabilities is different from the others 21 Friday 19
Which is NOT a correct statement about the Null hypothesis a. The average days per week that elementary students lifted weights was the same for 2011 and 2013 b. The average time spent in sedentary behaviors is not different between male and female c. The mean body mass index for adults in County A is not different from the mean body mass index in adults in County B d. The mean sleep time for 4th grade students is different from the mean sleep time for 5th grade students
A health insurance company wants to determine if more than 25% of US residents have been to a hospital emergency room within the past year. It was found that in a sample of 1000 people, 28% indicated that they had been to an emergency room within the past year. With a significance level of 0.01, is there evidence to suggest that the proportion of US residents that have been to the emergency room in the past year is actually higher than 25%?

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