A graduate student surveyed 220 undergraduate students in a university last week, and found 165 of...

A graduate student surveyed 220 undergraduate students in a university last week, and found 165 of them prefer F2F classes to online classes. Test the claim that more than 70% of the students at this university prefer F2F classes at the 5% significance level. Include all 5 steps.

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orchestra answered 2 years ago

Halo University is a private faith-based university with less than 10,000 undergraduate and graduate students. The...

Halo University is a private faith-based university with less than 10,000 undergraduate and graduate students. The largest sources of revenue are tuition and donations. In the past ten years, the football team has been wildly successful in a Division I conference. Led by Coach Joe Smith, the team played in bowl games all ten years and finished seven seasons in the top 25 in the AP Poll. University fans are wild with enthusiasm. Game are sold out and university colors...

A university conducted a survey of 381 undergraduate students regarding satisfaction with student government. Results of...

A university conducted a survey of 381 undergraduate students regarding satisfaction with student government. Results of the survey are shown in the table by class rank. Complete parts (a) through (d) below. Freshman Sophomore Junior Senior Satisfied 54 48 64 60 Neutral 30 20 17 14 Not satisfied 25 19 10 20 (a) If a survey participant is selected at random, what is the probability that he or she is satisfied with student government? (b) If a survey participant...

A committee surveyed 173 students from a large university campus and found that 53 of them...

A committee surveyed 173 students from a large university campus and found that 53 of them participated in varsity sports. (a) Based on the survey results, construct and interpret a 95% confidence interval for the proportion of students who are varsity athletes. (b) Based on the survey results, test the claim that more than 25% of students are varsity athletes. Use alpha=0.01α = 0.01. Show all work.

Monthly rent paid by undergraduates and graduate students. Undergraduate Student Rents (n = 10) 810 770...

Monthly rent paid by undergraduates and graduate students. Undergraduate Student Rents (n = 10) 810 770 870 710 730 830 820 660 980 700 Graduate Student Rents (n = 12) 1,150 910 920 860 780 910 740 820 940 920 830 880 (a) Construct a 90 percent confidence interval for the difference of mean monthly rent paid by undergraduates and graduate students, using the assumption of unequal variances with Welch's formula for d.f. (Do not round the intermediate calculations. Round...

A Rutgers University study found that many high school students cheat on tests. The researchers surveyed...

A Rutgers University study found that many high school students cheat on tests. The researchers surveyed a random sample of 4500 high school students nationwide; 74% of them said they had cheated at least once. a) Create a 90% confidence interval for the level of cheating among high school students. (Use your calculator to create this interval. Do not do the calculations by hand.) b) Interpret your interval. c) Would a 95% confidence interval be wider or narrower? Explain.

A sample of 300 students of undergraduate and 300 students of postgraduate classes of a university...

A sample of 300 students of undergraduate and 300 students of postgraduate classes of a university were asked to give their opinion towards autonomous colleges. 190 of the undergraduate and 210 of the postgraduate students favoured the autonomous status. i) At 5% significance level, would it be said that the opinions of the undergraduate and postgraduate students on autonomous colleges are independent? {The critical value of the requisite test statistic is 3.84} ( ii) What is the implication / interpretation...

In a study of habits of undergraduate students, a researcher sampled 53 students and found that...

In a study of habits of undergraduate students, a researcher sampled 53 students and found that the mean number of classes missed over the course of a school year was 18. Assume the population standard deviation, σ = 5.7. (5 points) Calculate the 95% confidence interval for the mean number of classes missed during the school year by undergraduate students. (2 points) If the researcher had sampled 75 students, would the margin of error be larger or smaller? (2 points)...

In a study about undergraduate student credit card usage, it was reported that undergraduate students have...

In a study about undergraduate student credit card usage, it was reported that undergraduate students have a mean credit card balance of $3173 (Sallie Mae, April 2009). This figure was an all-time high and had increased 44% over the previous five years. Assume that a current study is being conducted to determine if it can be concluded that the mean credit card balance for undergraduate students has continued to increase compared to the April 2009 report. Based on previous studies,...

Anna is a graduate accounting student at the local university. She is the recipient of a...

Anna is a graduate accounting student at the local university. She is the recipient of a $1,000 scholarship from the university. In addition, Anna works as a part time teaching assistant in the school of accountancy. She is paid $3,000 per calendar year and receives a tuition waiver covering 100 percent of her tuition. If not for the waiver, Anna would have paid $8,000 for tuition. Further, she paid $400 for books and supplies related to her coursework and incurred...

8. Linear equations and the regression line Suppose a graduate student does a survey of undergraduate...

8. Linear equations and the regression line Suppose a graduate student does a survey of undergraduate study habits on his university campus. He collects data on students who are in different years in college by asking them how many hours of course work they do for each class in a typical week. A sample of four students provides the following data on year in college and hours of course work per class: Student Year in College Course Work Hours per...

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