Question

O O O The mean cost of a meal for two in a mid-range restaurant in Tokyo is $40 (Numbeo.com website, December 14, 2014). How do prices for comparable meals in Hong Kong compare? The DATAfile Hongkong Meals contains the costs for a sample of 42 recent meals for two in Hong Kong mid-range restaurants. Click on the datafile logo to reference the data. DATA file O O a. With 95% confidence, what is the margin of error (to 2 decimals)? b. What is the 95% confidence interval estimate of the population mean (to 2 decimals)? C. How do prices for meals for two in mid-range restaurants in Hong Kong compare to prices for comparable meals in Tokyo restaurants? The mean cost of comparable meals in Hong Kong is Select than in Tokyo. Select less more Check My Work 0 Icon Key

Answer 1

EXCEL (Mega Stat) output: Descriptive statistics Meal Price count mean sample standard deviation sample variance 32.6124 6.7532 45.6060 confidence interval 95.% lower confidence interval 95.% upper half-width 30.5079 34.7168 2.1045 Margin of error = 2.10. (b) The 95% confidence interval estimate of the population mean is (30.51, 34.72). The mean cost of comparable meals in Hong Kong is more than in Tokyo.