Question

In: Statistics and Probability

A study involving is conducted among the students on a college campus. the stress score follow...

A study involving is conducted among the students on a college campus. the stress score follow a uniform distribution with the lowest stress score equal to one and the highest to five. using a sample of 75 students. Find the 95th percentile for the mean stress score for the 75 students.

Solutions

Expert Solution

TOPIC:Uniform distribution, Central limit theorem.


Related Solutions

A study is conducted among first year undergraduate students in a US College of Nursing. From...
A study is conducted among first year undergraduate students in a US College of Nursing. From a list of these students, every 10th student is selected for an interview. Which of the following sampling strategies is being used? a) Simple random sampling b) Systematic sampling c) Stratified random sampling d) Cluster sampling 2. A study is conducted among first year nursing students in a US College of Nursing. Students are first grouped according to the state in which they lived...
You conducted a study on the relationship between alcohol consumption and depression among college students in...
You conducted a study on the relationship between alcohol consumption and depression among college students in which you distributed a survey to 300 college seniors. Students who completed the survey responded to a standardized questionnaire measuring depression symptoms and to a series of questions about their typical alcohol consumption patterns. The results of your study indicated that the correlation between depression and alcohol consumption was +.34. Explain what this correlation means in terms of direction and strength. One possible explanation...
Suppose a study determines that the amount of time that college students on a given campus...
Suppose a study determines that the amount of time that college students on a given campus work out each week changes from university to university. You are intrigued by this and randomly interview 60 BU students. You find that the average weekly gym time is 3 hours, and the standard deviation is 1 hour. i. Is the sample mean normally distributed? Why or why not?   ii. Your friend thinks the average gym time for Boston University students is equal to...
1. You are conducting a study of students doing work-study jobs on your campus. Among the...
1. You are conducting a study of students doing work-study jobs on your campus. Among the questions on the survey on the instrument are: A. How many hours are you scheduled to work each week? Answer to the nearest hour. B. How applicable is this work experience to your future employment goals? Respond using the following scale: 1 = not at all, 2 = somewhat, 3 =very Be sure to label the question you are working on: a. Suppose you...
The student academic group on a college campus claims that freshman students study at least 2.5...
The student academic group on a college campus claims that freshman students study at least 2.5 hours per day, on average. One Introduction to Statistics class was skeptical. The class took a random sample of 30 freshman students and found a mean study time of 137 minutes with a standard deviation of 45 minutes. At α = 0.01 level, is the student academic group’s claim correct? Calculate the p-value.
A survey was conducted at two colleges. 500 students at College A participated in the study....
A survey was conducted at two colleges. 500 students at College A participated in the study. The results indicated that on average, the students spent 15 hours per week doing online assignments and its standard deviation was 5 hours. At College B, 400 students participated in the study. The average hours they worked for online assignments was 20 with a standard deviation of 4 hours. Please test whether there is a true difference in the time students spent for online...
A study was conducted for the effects of marijuana use on college students. Memory recall was...
A study was conducted for the effects of marijuana use on college students. Memory recall was evaluated by asking students to sort items. Light Marijuana Users Heavy Marijuana Users n = 64 students x = 53.3 items correctly sorted s = 3.6 items correctly sorted n = 65 students x = 51.3 items correctly sorted s = 4.5 items correctly sorted At the 5% LOS, do the data suggest test that light users correctly sort more items than heavy users?
A study was conducted to determine if students in different college years differ on the number...
A study was conducted to determine if students in different college years differ on the number of hours of sleep they obtain. On a specified mid-semester Wednesday morning 25 Freshmen, 25 Sophomore, 25 Junior and 25 Senior college students reported the number of Hours of Sleep they had obtained on the previous evening. Answer the following question referring to the following tables. Descriptive Statistics Year Mean Std. Deviation N Freshmen 7.7080 1.86881 25 sophomore 7.1600 1.34412 25 Junior 7.4400 1.47422...
4. In a study of caffeine and stress, college students indicate how many cups of coffee...
4. In a study of caffeine and stress, college students indicate how many cups of coffee they drink per day and their stress level on a scale of 1 to 10 (with higher scores indicating greater stress). Data is collected from a sample of 10 students. The Pearson correlation coefficient for the relationship between these 2 variables is r = .43. (a) Set up your hypotheses using the correct notation (b) What statistical decision should the researcher make? JUSTIFY YOUR...
College students are increasingly working while attending school. A study was conducted to determine if there...
College students are increasingly working while attending school. A study was conducted to determine if there is a significant difference in earnings of male college students and female college students during the eight months of the academic year. A sample of 800 male students earned an average of $5,995 with a standard deviation of $2,500. A sample of 700 working female students earned an average of $5,480 with a standard deviation of $2,600. Use .10 level of significance. Which of...
ADVERTISEMENT
ADVERTISEMENT
ADVERTISEMENT