18-29 30-39 40-49 50-59 60-69 70-79 80+ ot sick 48 69 85 78 62 51 45 Didn't get sick 3255 6588 7855 5122 4322 2544 1233 Test the claim that age is dependent on whether a person gets an illness or not. Use a significance of .05. (3 decimals) Look at problem 1 to see what the answer need to look like for each step. Claim:they are Hothey are HAthey are P- Pis He we The data the claim The critical value is

18-29 30-39 40-49 50-59 60-69 70-79 80+ ot sick 48 69 85 78 62 51 45 Didn't get sick 3255 6588 7855 5122 4322 2544 1233 Test the claim that age is dependent on whether a person gets an illness or not. Use a significance of .05. (3 decimals) Look at problem 1 to see what the answer need to look like for each step. Claim:they are Hothey are HAthey are P- Pis He we The data the claim The critical value is

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Description: 18-2930-3940-4950-5960-6970-7980+Got sick48698578625145Didn't get sick3255658878555122432225441233Test the claim that age is dependent on whether a person gets an illness or not. Use a significance of .05. (3 decimals) Look at problem 1 to see what

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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Results The following table summarizes key results from the study. Use these data to complete Questions 7 to 9. These data are loosely based on the actual study but have been modified for this assignment. The events in this case are cardiovascular disease events. N (реople) Incidence rate (per 1,000 person-years) Group Person-time Events <6 hours/day 6-8 hours/day 8-9 hours/day 9-10 hours/day 10+ hours/day (person-years) 76,500 345,000 228,000 11,108 50,041 31,003 719 2,691 1,915 7.8 16,316 8,164 110,000 55,000 1,144 814 7. Using the data in the table above, calculate the incidence de disease events in each of the five groups specified. The incidence density rate is provided for the group getting 6 to 8 hours of sleep per day. rate of cardiovascular 8. Compute relative comparisons between each of the different sleep groups, using the 6 to 8 hours per day group as the reference (or unexposed group). Group Incidence rate (per Relative rate ratio 1,000 person-years) < 6 hours/day 6-8…
a researcher wants to determine the average amount of minutes it takes for the medicine to reduce the pain for adult males. The researcher contacted 107 subjects to participate in the study, n=but only got results from 79 of the subjects. The average time it took for the medicine to reduce headache pain of these subjects was 27 minutes. What is the population? What is the sample? What tis the parameter? What is the symbol for this parameter? What is the statistics? What is the symbol for this statistics?
You may need to use the appropriate appendix table or technology to answer this question The mean number of sick days an employee takes per year is believed to be about 10. Members of a personnel department do not believe this figure. They randomly survey & employees. The number of sick days they took for the past year are as fo 11:5, 14, 4; 10 215 5. Let x the number of sick days they took for the past year. Should the personnel team believe that the mean number is about 107 Conduct a hypothesis est at the 3% State the nul and alterative hypotheses (n days) (Enter for as needed) M₂ MA What is the best statatic) (Round your answer to two decimal places) What are the critical values)? ( using the detribution round your answers) to two decimal places, et distration round your answers) to three decinal places. Enter NONE for any unused answer bank) uppertal What is the decision of the test and what conclusions can be down At the At the level of significance we would fail to reject H, and…
In a poll of 1500 adults in July 2010, 780 of those polled said that schools should ban sugary snacks and soft drinks. Complete parts a and b below. 1. Find the value of the test statistic z. z = _____ (Round to two decimal places as needed.) 2. Find the value of the corresponding p-value for this test statistic z. p-value = _____ (Round to three decimal places as needed.) 3. Do you reject or not reject the null hypothesis? 4. b. Choose the best interpretation of the results you obtained in part a.
Charlie will perform a hypothesis test at the a = 0.05 level. Felice will perform the same test at the a = 0.01 level.
Refer to the table summarizing service times (seconds) of dinners at a fast food restaurant. How many individuals are included in the summary? Is it possible to identify the exact values of all of the original service times? Time (sec) 60-119 120-179 180-239 240-299 300-359 individuals are included in the summary. (Type a whole number.) Is it possible to identify the exact values of all of the original service times? Frequency D 9 25 14 3 4 C O A. No. The frequency distribution tells nothing about the data values that fall below the lowest class limit or above the highest class limit. O B. No. The data values in each class could take on any value between the class limits, inclusive. O C. Yes. The data values in each class are spread evenly across the full length of the class. O D. Yes. The data values in each class are equal to the corresponding class midpoint.
Hi can you help me with 1 to number 6 please!!!!!!! A study was done to look at the relationship between number of movies people watch at the theater each year and the number of books that they read each year. The results of the survey are shown below. Movies 8 1 0 8 9 2 1 8 1 4 9 Books 6 14 16 11 5 10 14 8 11 13 8 r2 = ___________ (Round to two decimal places) Interpret r2 : There is a large variation in the number books people read each year, but if you only look at people who watch a fixed number of movies each year, this variation on average is reduced by 69%. There is a 69% chance that the regression line will be a good predictor for the number of books people read based on the number of movies they watch each year. 69% of all people watch about the same number of movies as they read books each year. Given any fixed number of movies watched per year, 69% of the population reads the predicted number of books per year. The equation of the linear regression…
If Study determines the difference an average salaries are so population of people with blue eyes and people with brown eyes is not significant than a population of blue are people in brown and people are ______ different salaries.
For item 15 and 16, refer to table below Test Result in Mathematics Frequency Score (X) 85-89 80-84 75-79 70-74 65-69 60-64 3 9 67736 8 15. How many students got scores less than 74.5? O A. 24 OB. 18 O C. 10 OD. 3 Cumulative Frequency 36 33 24 18 10 3
High School Band - In most US high schools, students can play an instrument in three types of bands. A random sample of high school band students was taken and the results are summarized in the table below. Instrument type Band Woodwind Brass Percussion type Concert 31 25 8. Jazz 10 16 10 Marching 65 65 27 To assess whether there is a relationship between band type and instrument type, we want to conduct an appropriate hypothesis test. Choose the null and alternative hypothesis? 1. The categorical variables band type and instrument type are independent. Alternative hypothesis 2. The categorical variables band type and instrument type are not independent. Null hypothesis
xx=02