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15. From these numbers: 93. 175. 129. 92. 75. 94.116. 100 Do you want to own your own candy store?
15.
From these numbers:
93. 175. 129. 92. 75. 94.116. 100
Do you want to own your own candy store? Wow! With some interest in running your own business and a decent credit rating, you can probably get a bank loan on startup costs for franchises such as Candy Express, The Fudge Company, Karmel Corn, and Rocky Mountain Chocolate Factory. Startup costs (in thousands of dollars) for a random sample of candy stores are given below.
Assume that the population of x values has an approximately normal distribution
(a) Use a calculator with mean and sample standard deviation keys to find the sample mean startup cost x and sample standard deviation s. (Round your answers to one decimal place.) answer is thousand $$
x =
s =
(b) Find a 90% confidence interval for the population average startup costs μ for candy store franchises. (Round your answers to one decimal place.) answer is thousand $$
lower limit
18.
what percentage of hospitals provide at least some charity care? Based on a random sample of hospital reports from eastern states, the following information is obtained (units in percentage of hospitals providing at least some charity care):
57.5
