What type of car is more popular among college students, American or foreign? One hundred fifty-nine college students were randomly sampled and asked which type of car they drove. A computer package was used to generate the printout below of a 90% confidence interval for the proportion of college students who drive American automobiles. SAMPLE PROPORTION = .396 SAMPLE SIZE = 159 UPPER LIMIT = .460 LOWER LIMIT = .332 Based on the interval above, do you believe that 51% of all college students drive American automobiles? Select one: A. Yes, and we are 100 %sure of it. B. No, and we are 90% confident of it. C. No, and we are 100% sure of it. D. Yes, and we are 90% confident of it.

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A: Suppose, X be the annual salaries of high school counselors in the United States. Given that, X…

Q: A marketing company believes people have no preference in the taste among four beers.  To test this,…

A: The correct test to use to test if there is a statistical difference between brands is a One-way…

Q: 25.  At a local college, 200 students were asked if they attended orientation. 112 said that they…

A:

Q: On February 20, 2018 ncbnews.com ran a story titled "Poll: Support for gun control hits record high.…

A: Confidence interval is an interval such that the probability of the unknown parameter to be included…

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A: Given:  Twenty - eight fast-food restaurant hourly employees were surveyed to see how many hours…

Q: Twenty car salespeople were sampled to see how many cars they sold in a month; the following data…

A:

Q: Listed below are student evaluation ratings of courses, where a rating of 5 is for "excellent." The…

A: The data shows the student evaluation ratings of courses.

Q: Twenty-three car salespeople were sampled to see how many cars they sold in a month; the following…

A:

Q: 99% confidence interval for the proportion of the high school students who have been cyberbullied,…

A: Given that Sample size n = 14795 Number of high school students who have cyberbullied, X = 2219 The…

Q: A random selection of 625 students from Karabük University Faculty of Business Administration was…

A:

Q: Twenty-eight fast-food restaurant hourly employees were surveyed to see how many hours they worked…

A:

Q: 1000 randomly selected Americans were asked if they believed the minimum wage should be raised. 600…

A: Givensample size(n)=1000x=600sample proportion(p^)=xn=6001000=0.6confidence level=95%

Q: A survey of 1,502 Americans in January 2012 found that 86% consider the economy a "top priority" for…

A: Given n = 1502 p = 86% = 0.86 SE = 0.01

Q: Smart phone: Among 250 cell phone owners aged 18-24 surveyed, 103 said their phone was an Android…

A: n=250X=103

Q: 1. A professor is interested in how long the average biostat student studies per night, so he asked…

A: Given data:  n = 10 Data: 3, 4.5, 6, 5.5, 5, 4, 3, 2.5, 5, 3 hours.  Confidence level = 90%…

Q: the following random sample was selected from a normal distribution: 11, 16, 3, 13, 18, 18, 16, 19,…

A: Given data is11, 16, 3, 13, 18, 18, 16, 19, 17, 11sample size(n)=10

Q: tis A poll found that people from the north now have relatively warm feelings toward people from the…

A:

Q: The following is a random sample of the annual salaries of high school counselors in the United…

A:

Q: Smart phone: Among 250 cell phone owners aged 18-24 surveyed, 103 said their phone was an Android…

A: Number of persons having Android phones = 103Total number of phone owners =250

Q: Ten different families are tested for the number of gallons of water a day they use before and after…

A: From the provided information, The difference between before and after are as follow: Before…

Q: igh school soccer league there are a total of 256 players.

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Q: Suppose that Randy is an analyst for the bicyling industry and wants to estimate the asking price of…

A: The summary of the statistics is The degree of freedom is, Critical values: The t-critical values…

Q: I asked 45 randomly selected WSU college students how many US states they had visited. The students'…

A: The sample size is 45, sample mean is 3.8 and standard deviation is 1.5. The degrees of freedom is,…

Q: An insurance company selected a sample of 100 auto claims filed with it and investigated those…

A:

Q: Twenty-eight fast-food restaurant hourly employees were surveyed to see how many hours they worked…

A: Given a sample of the number of hours per week that the population of fast-food restraunt employee…

Q: Twenty-four fast-food restaurant hourly employees were surveyed to see how many hours they worked…

A: x=41.625

Q: One hundred and twenty Americans were surveyed about how much time per month they spend watching…

A: From the provided information, Sample size (n) = 120 Sample mean (x̅) = 140 hours Sample standard…

Q: Find the sample mean used when computing the interval.

A: The 95% confidence interval for the mean is given by (496, 2166) Let M denote the sample mean and E…

Q: What is the best estimate for the standard error of the sampling

A: Given data,Tota no of students n=14795Who said yes for cyberbullied is x=2219Point estimate is…

Q: On February 20, 2018 nebnews.com ran a story titled "Poll: Support for gun control hits record…

A:

Q: A company surveyed its employees to determine what the new daily meal allotment dollar amount should…

A: would give the supervisor a better idea of what the true mean is compared to simply taking the mean…

Q: The following is a random sample of the annual salaries of high school counselors in the United…

A: $47,860,$48,620,$64,020,$46,030,$52,360,$65,580,$40,620sample size(n)=7confidence level=99%

Q: a simple random sample of 9 college freshmen were asked how many hour of sleep they typically got…

A: Solution: Number of hours of sleep of a simple random sample of 9 college freshmen is given as…

Q: Twenty-five fast-food restaurant hourly employees were surveyed to see how many hours they worked…

A: Confidence Interval: The confidence interval represents a set of values around a statistic derived…

Q: wo hundred graduating students are selected and it is found that 114 will irst class honors degrees.…

A: Given data,No of graduate students n= is 200No of awarded is x=114Calculate 96% CI?

Q: write NA if there's none) d. Critical Value e. Computed Statistics f. Decision and Conclusion

A:

Q: Construct a 90% Confidence Interval based on the following data: 45, 55, 67, 45, 68, 79, 98, 87, 84,…

A: Given: The data provided is: 45,55,67,45,68,79,98,87,84,82 We need to construct a 90% confidence…

Estimation

A new framework of data analysis where the new statistical methods are used for interpreting the results and analyzing the data is known as estimation in statistics.