If a researcher measures two individuals on a ratio scale, then it is impossible to determine how much difference exists between the two people. True/false

100 patients with lung cancer and 100 patients without lung cancer were enrolled in a study. They were questioned about tobacco use over the past 20 years. 80 of the lung cancer patients reported smoking as did 20 of the patients without cancer.  Find the odd ratio and interpret that number

What proportion of the general population has an IQ of 70 or less?

Please help answering this one:

A student's research shows that there were more accidents in 2015 than there were in 1915. He concludes that people were better drivers in 1915 than in 2015.What would be a more appropriate or valid measure for this comparison? A.Compare the number of people who don't have an accident for 1915 and 2015 B.Compare the number of car accidents in those years, grouped by region C. Compare the number of car accidents in 1905 and 2005 D.Compare the accident rates(percentages) for 1915 and 2015

State the generic error for an interpolating formula?

If a coin is flipped 225 times and the number of Hs is 75. Compute the proportion of Hs. Round to three places.

what is the proportion of 12/10 and 18/15

In 2014, what ratio of construction worker injuries resulted in death?a.1 out of 5Correctb.1 out of 50Incorrectc.1 out of 100Incorrectd.1 out of 1,000

A company's price/earnings (P/E) ratio is the company's current stock price divided by the latest 12 months' earnings per share. Suppose the following table shows the P/E ratios for a sample of 10 Japanese companies and 12 U.S. companies. Japan P/E Ratio 156 28 14 129 38 216 67 665 36 64   United States P/E Ratio 12 27 27 46 23 17 28 17 28 34 19 17 Is the difference between the P/E ratios for the two countries significant? Use the MWW test and ? = 0.01 to support your conclusion. State the null and alternative hypotheses. H0: The two populations of P/E ratios are identical.Ha: The two populations of P/E ratios are not identical.H0: The two populations of P/E ratios are not identical.Ha: The two populations of P/E ratios are identical.    H0: Median for Japanese companies − Median for U.S. companies > 0Ha: Median for Japanese companies − Median for U.S. companies = 0H0: Median for Japanese companies − Median for U.S.…