Directions: Some HEDU students went on a picnic. On the way back to school, some students didn'tfeel so well, There were 200 students that attended. Using the data below create a cross-table analysisto identify the likely source of the salmonella outbreak. Was it the potato salad, seafood salad, orboth? Explain. Read carefully!Total # of Persons Who Ate Each Combination of Food Items and Did Not Get SickAte SeafoodSaladDid Not EatSeafood SaladAte Potato Salad1025Did Not Eat Potato1018SaladTotal # of Persons Who Ate Each Combination of Food Items and Who Later DevelopedSalmonellaAte SeafoodSaladDid Not EatSeafood Salad4050Ate Potato SaladDid Not Eat PotatoSalad

Given :There were 200 students that attended.To Find :Identify the likely source of the salmonella…

Answered: Directions: Some HEDU students went on…

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 premiere of Game of Thrones' seventh season set a series record of 10.1 million viewers tuning in to the live broadcast, and the season finale got even more than that at 12.1 million. A researcher at HBO believes that the average number of viewers watching live is not equal to the average number of those streaming online. The data below demonstrate a sample the number of of people watching live for each episode and the number of people streaming for each of the same episode. Episode Live (millions) Streaming (millions) Season 1 Episode 1 2.9 0.7 Season 3 Episode 4 8.4 5.0 Season 5 Episode 1 8.7 6.3 Season 5 Episode 5 8.6 6.0 Season 6 Episode 3 9.3 8.4 Season 7 Episode 1 10.11 6.4 Season 7 Episode 5 10.72 6.7 Season 7 Episode 7 12.10 7.5 Based on the results of your t-test, can we conclude that the mean number of people viewing live is different from the mean number of people streaming online? Group of answer choices a) No, because the p value is greater…
ONLY PART C AND D PLEASE!
John Calipari, head basketball coach for the 2012 national champion University of Kentucky Wildcats, is the highest paid coach in college basketball with an annual salary of $5.4 million (USA Today, March 29, 2012). The sample below shows the head basketball coach's salary for a sample of 10 schools playing NCAA Division 1 basketball. Salary data are in millions of dollars. University Coach's Salary University Coach's Salary Indiana 2.2 Syracuse 1.5 Xavier .5 Murray State .2 Texas 2.4 Florida State 1.5 Connecticut 2.7 South Dakota State .1 West Virginia 2.0 Vermont .2 a. Use the sample mean for the 10 schools to estimate the population mean annual salary for head basketball coaches at colleges and universities playing NCAA Division 1 basketball (to 2 decimals). b. Use the data to estimate the population standard deviation for the annual salary for head basketball coaches (to 4 decimals). c. What is the 95% confidence interval for the population variance (to 2 decimals)? d. What is the…
Recherchers conducted two surveys about teens are their use of social media. The First survey asked a Random sample of 800 U.S. teens about their use of Instagram. A second survey asked the same question to a Random sample of 2253 Canadian teens. In these two studies. 73% of U.S. teens and 88% of Canadian teens said that they use instagram. Use these results to answee the following questions about the proportion of U.S. and Canadian teens that use instagram. (Round to the nearest whole hundredth as needed).
you want to know how how arizonia workers age 16 or older travel to work. To estimate the percentage of people who use the different modes of travel, you take a sample containing 500 arizonia workers age 16 and older. how do I find the individual, variable, population, sample, perameter, and statistic?
please answer a, b, c
How often do you go out dancing? This question was asked by a professional survey group on behalf of the National Arts Survey. A random sample of 95 single men showed that 24% went out dancing occasionally. Another random sample of 92 single women showed that 21% went out dancing occasionally. Is the proportion of single men who go out dancing occasionally higher than the proportion of single women? Use a 5% level of significance. If men are group 1 and women are group 2, what is the p-value for this hypothesis test? 0.656 0.688 0.344 0.217 0.242
You are an education researcher interested in studying if race or ethnicity affects the severity of punishment children receive. Through open records, you are able to collect from several high schools the length of suspensions given to kids for fighting along with the race/ethnicity of the child. The state of Texas divides school children into one of 7 race/ethnicity groups: African American, American Indian, Asian, Hispanic, Pacific Islander, White, or Multiracial. You want to compare the average length of suspension among these 7 groups. Which statistical test would be best to determine if there is a significant difference in the severity of punishment among the different groups? one-sample t-test related samples t-test independent samples t-test ANOVA
A drug company claims that an allergy medication causes headaches in 5% of those who take it.A medical researcher believes that more than 5% of those who take the drug actually get headaches. Identify the population(s): All individuals who take the medication. The proportion of those who take the drug who get a headache. What is the variable being examined for individuals in the population(s)? Whether or not an individual who does not take the drug gets a headache. Whether or not an individual takes the correct dosage of the drug. Whether or not an individual who takes the drug gets a headache. Is it categorical or quantitative? [Proportions are Categorical. Mean values are Quantitative.] Categorical Quantitative Identify the parameter(s): The proportion of those who take the drug who get a headache. The mean amount of medication taken. The number individuals who take the medication. What kind of hypotheisis test is this? 1 population mean 2 population means 2…
In marketing children’s products, it is extremely important to produce television commercials that hold the attention of the children who view them. A psychologist hired by a marketing research firm wants to determine whether differences in attention span exist among advertisements for different types of products. A number of children under 10 years of age are asked to watch one 60-second commercial for one of three types of products, and their attention spans are measured in seconds. The results are shown in the accompanying table: Type of Product Advertised Toys/Games Food/Candy Children’s Clothing 42 55 30 45 58 35 48 52 42 40 60 32 50 57 38 b). What type of error is possible and describe this error in terms of the problem.
Please solve this question below. Thank you! 9. Challenge A bag contains 200 red and blue marbles. Three people each took samples of 25 marbles and noted the number of red marbles. Person A 17 red marbles out of 25 marbles Person B 12 red marbles out of 25 marbles Person C 20 red marbles out of 25 marbles a. Combine the samples to make one large sample. Use that sample to predict the number of red marbles in a similar bag that contains 300 marbles. b. Explain how having a fourth sample would make the estimate better.
The Centers for Disease Control (CDC) want to study the effects of lead exposure on children. They randomly select 2500 children from Olympia, Washington. What is the sample and the population?

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