12 solve all parts plzzz The following data represent a sample of people's smoking habits and their usage of seat belts while in acar. A researcher wants to determine whether smoking habits and seat belt usage are related. Test theresearcher's claim at the a = 0.05 level of significance.No Seat Belt Seat BeltSmoke67448Do not Smoke3272,187*Source: Harris Polla. Determine the null and alternative hypotheses.Ho: Smoking habits and seat belt usage are independent.H: Smoking habits and seat belt usage are dependent.O Ho: Smoking habits and seat belt usage have the same distribution.Ha: Smoking habits and seat belt usage follow a different distribution.b. Determine the test Statistic. Round to two decimal places.c. Determine the p-value. Round to four decimal places.p-value =d. Make a decision.O Fail to reject the null hypothesis.O Reject the null hypothesis.e. Make a conclusion.O There is not sufficient evidence to support the claim that smoking habits and seat belt usageare related.O There is sufficient evidence to support the claim that smoking habits and seat belt usage arerelated.

Null and Alternative hypothesis: Ho : Smoking habits and seat belt usage are independent. H1 :…

Answered: c. Determine the p-value. Round to four…

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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Listed below are the heights (in inches) of fathers and their first sons. The dataare from a journal kept by Francis Galton. Use a 0.05 significance level to testthe claim that there is no difference in heights between fathers and their firstsons. (State the null and alternate hypothesis, the p-value method to make adecision, and write a conclusion based on the results.) Height of Father 72.0 66.0 69.0 70.0 70.0 70.0 70.0 75.0 68.265.0Height of Son 73.0 68.0 68.0 71.0 70.0 70.0 71.0 71.0 70.063.0
Which of the following is the correct option for the appropriate test and degree of freedom (sd) for the hypothesis-based compliance of the data of a 6-category (class) variable, which is summarized by counting 300 pieces of data? Please select one: a. Ki square sd = 299 b. t test sd = 299 c. t test sd 5 d. Ki square sd = 49 e. Ki Square sd = 5
Utilizing the previous table: A sample of 25 cities have been classified as high or low on their homicide rates and on the number of handguns sold within the city limits. Was the null hypothesis rejected or accepted?
The table below summarizes data from a survey of a sample of women. Using a 0.01 significance level, and assuming that the sample sizes of 900 men and 400 women are predetermined, test the claim that the proportions of agree/disagree responses are the same for subjects interviewed by men and the subjects interviewed by women. Does it appear that the gender of the interviewer affected the responses of women?
The National Sleep Foundation conducted a survey on the sleep habits of randomly sampled transportation workers and a control sample of non-transportation workers. The results of the survey are shown below. Control Pilots Truck Drivers Train Operators Bus/Taxi/Limo Drivers Less than 6 hours of sleep 35 19 35 29 21 6 to 8 hours of sleep 193 132 117 119 131 More than 8 hours 64 51 51 32 58 Total 292 202 203 180 210 Conduct a hypothesis test to evaluate if these data provide evidence of a difference between the proportions of truck drivers and non-transportation workers (the control group) who get less than 6 hours of sleep per day, i.e. are considered sleep deprived.

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