Write a sentence that describes the most likely population of interest and another sentence that describes thesample:a) A survey of 496 students at a college found that 51 of them planned on traveling out of the country duringspring breakPopulation:Sample:b) A survey of 791 vacationers from the United States found that 524 of them planned on spending at least$2000 for their next vacation.Population:Sample:Question Help: Message instructorSubmit QuestionMacBook Airesc000D00F1F2F3F4F5F6@$%2456# 3

Population consists of all individual related to study. Sample is a subpart of population that…

Answered: Write a sentence that describes the…

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 order to daw meaningful conclusion regarding the sex and race between of arrestees in New York City, data is gathered on all arrests made over a 1 year period. This is an example of: a. inferential statistics b. descriptive statistics c. data reduction d. discovery e. statistical analysis
Derek created a website where users could randomly generate a "strong password." He claims that 25% of generated passwords contain at least one capital letter, number, and symbol. If the claim is correct, and a user randomly generates 4 passwords on the website, what is the mean of the number of passwords that contain at least one capital letter, number, and symbol? Write your answer as a decimal.
Read the following on attendance and grades, and answer the questions. A study revealed that students from a certain local college in Bulacan who attended class 95 to 100% of the time usually received a grade of 1.0 in the class. Students who attended class 80 to 90% of the time usually received a 1.5 or 1.75 in the class. Students who attended class less than 80% of the time usually received a 3 or a 5 or eventually withdrew from the class. Many factors affect a student’s grade in a course. One factor that has considerable control over is attendance. One can increase the opportunities for learning by attending class more often. 1. What are the variables under study? Answer: 2. Which are the dependent and independent variables in the study? Answer: 3. Categorize each variable as quantitative or qualitative. Answer: 4. Categorize each quantitative variable as discrete or continuous. Answer: 5. Identify the level of measurement for each variable. Answer: 6. Are descriptive,…
A teacher surveyed the students in one of his algebra classes, asking how many hours they spend watching TV shows, movies, and videos on a weekday. Their responses are given. Complete parts (a) through (e) below. 10 3 4 2 35 0 2 1 5 2 4 2 1 0 1 2 3 743 3 4 b. One student wrote "3-9." What value would represent this response well? Include the value in the sample for parts (c) through (d). A good value to represent the range 3-9 is c. Construct a dotplot. Choose the correct graph below. OA. TV, Movie, and Video Viewing Time O B. TV. Movie, and Video Viewing Time 02 4 8. 10 6. Hours 10 Hours OC. TV, Movie, and Video Viewing Time OD. TV. Movie, and Video Viewing Time 4. Hours 8 10 2 8. 10 C Hours d. What proportion of the observations are between 1 and 3 hours, inclusive? The proportion of the observations between 1 and 3 hours, inclusive is (Round to the nearest thousandth as needed) e. What proportion of the observations are less than 5 hours? Activate Windows Go to Settings to activate…
1. In one season, the New England Patriots won 14 football games and lost 2 games. Which number sentence should be used to find the percentage (p) of all games played that season that were wins? A. p = 14.2
Task-1. A professor at a university is wishing to determine whether his introductory statistics class has a good grasp of basic math or not. For this purpose, he chooses six students from his class and gives them a math proficiency test. To have a good grip of basic maths, the professor wants the class score above 70 marks on the test. The scores that the sample of six students gets are 62, 92, 75, 68, 83, and 95. Can the professor say with 90% confidence that the mean score for the whole class on the test would be above 70?
A sample of consumers were asked which brand of instant coffee they prefer. The results regarding the popularity of the coffees are given in the following table. BRAND OF COFFEE NUMBER OF CONSUMERS Nescafe 20 Jacobs 15 Douwe Egberts 15 TOTAL 50 Draw a bar chart to graphically illustrate the results given in the table...
The Census Bureau Web site gives several choices for "average income" in its historical income data. In 2006, the median income of American households was $48,201. The mean household income was $66,570. The median income of families was $58,407, and the mean family income was $77,315. The Census Bureau says, “Households consist of all people who occupy a housing unit. The term ‘family’ refers to a group of two or more people related by birth, marriage, or adoption who reside together.” Identify the reason for mean incomes for households being higher than median incomes for households.
Read the following on attendance and grades, and answer the questions. A study revealed that students from a certain local college in Bulacan who attended class 95 to 100% of the time usually received a grade of 1.0 in the class. Students who attended class 80 to 90% of the time usually received a 1.5 or 1.75 in the class. Students who attended class less than 80% of the time usually received a 3 or a 5 or eventually withdrew from the class. Many factors affect a student’s grade in a course. One factor that has considerable control over is attendance. One can increase the opportunities for learning by attending class more often. a. From the information given, comment on the relationship between the variables Answer: b. What type of survey do you think is most appropriately used for the study? Answer: c. Do you think the use a random method for deciding who would be in the sample is appropriate? Why? Answer:
A researcher is interested in the social media habits of American teenagers. The goal of the research is to determine the average number of hours each day that the entire group of American teenagers spend watching television. The researcher is trying to determine a number that is an example of a ?? A researcher is studying the behavior of American prisoners. The entire group of American prisoners is an example of a ?? A researcher is interested in mental health outcomes for US College students. If she obtained Depression Inventory scores for a group of college students, the mean score would be an example of a ??
A sample of 200 college undergraduates was collected and the student’s gender and method of getting to class that day were collected. The data appears below. Gender Drive Bike Walk Total Male 95 10 10 115 Female 65 5 15 85 Total 160 15 25 200 What proportion of the students are both female and ride a bike to class?
Use Grade 12 Data Management Beginner

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