Mathematics, 15.02.2021 20:30, Kennedy3449

According to the Corporate Travel Index compiled by Business Travel News, the average daily cost for business travel in the United States rose to per day (Executive Travel website). The file Travel contains sample data for an analogous study on the estimated daily living costs for an executive traveling to various international cities. The estimates include a single room at a four-star hotel, beverages, breakfast, taxi fares, and incidental costs. City Daily Living Cost ($) City Daily Living Cost ($)
Bangkok 242.87 Mexico City 212
Bogota 260.93 Milan 284.08
Cairo 194.19 Mumbai 139.16
Dublin 260.76 Paris 436.72
Frankfurt 355.36 Rio de Janeiro 240.87
Hong Kong 346.32 Seoul 310.41
Johannesburg 165.37 Tel Aviv 223.73
Lima 250.08 Toronto 181.25
London 326.76 Warsaw 238.2
Madrid 283.56 Washington, D. C. 250.61

Required:
a. Compute the sample mean.
b. Compute the sample standard deviation.
c. Compute a 95% confidence interval for the population standard deviation.

Answers: 2

Show answers

Other questions on the subject: Mathematics

Mathematics, 20.06.2019 18:04, jamaicalove2880

The graph below shows the price of different numbers of mats at a store: a graph is shown. the values on the x axis are 0, 2, 4, 6, 8, 10. the values on the y axis are 0, 21, 42, 63, 84, and 105. points are shown on ordered pairs 0, 0 and 2, 21 and 4, 42 and 6, 63 and 8, 84. these points are connected by a line. the label on the x axis is number of mats. the title on the y axis is price in dollars. which equation can be used to determine p, the cost of b mats?

Answers: 3

continue

Mathematics, 21.06.2019 15:00, shollydot1379

Match each polynomial with its factorization.

Answers: 3

continue

Mathematics, 21.06.2019 17:20, ryleepretty

Two language majors, anna and megan, took exams in two languages. anna scored 85 on both exams. megan scored 74 on the first exam and 85 on the second exam. overall, student scores on the first exam had a mean of 82 and a standard deviation of 4, and the second exam scores had a mean of 71 and a standard deviation of 13. a) to qualify for language honors, a major must maintain at least an 85 average across all language courses taken. so far, which of anna and megan qualify? b) which student's overall performance was better?

Answers: 2

continue

Mathematics, 21.06.2019 18:30, natjojo0512

The monetary value earned for selling goods or services to customers is called a.) revenue b.) assets c.) money d.) accounting

Answers: 2

continue

Do you know the correct answer?

According to the Corporate Travel Index compiled by Business Travel News, the average daily cost for...