The following table displays blood pressure status by sex. Optimal Normal Hypertension Total Male 22 73 55 150 Female 43 132 65 240 Total 65 205 120 390
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- Example 4: A baker for a large supermarket has received a total of 185 bags of flour from different supplier. As a result, the bags he has received are of varying weight. The histogram shows information about the weight of the bags of flour: Frequency Density 30 40 50 60 70 80 90 100 Weight (pounds) 15 bags of flour weight between 35 and 40pounds. a) How many bags of flour weigh more than 80 pounds? b) What is the median of a bag flour.Use the histogram below to approximate the mode heart rate of adults in the gym. Heart Rates of Adults Frequency 45 40 35 10 5 55 60 65 70 75 80 85 Heart rate (beats per minute) 0 0 0 A. 70 B. 55 OC. 2 D. 42The table below represents the number of days per week that 100 clients use a gym. What number of days is the 80th percentile? x Frequency 0 3 1 12 2 33 3 28 4 11 5 9 6 4
- The table below shows the average monthly rainfall in inches for Los Angeles, California. Which model best represents the data set? Month 1 2 3 4 7 8 10 11 12 Rainfall 3.33 3.68 3.140.83 0.31 0.06 0.01 0.13 0.32 0.37 1.05 1.91 O y = 0.09x² – 1.43x + 5.51 Oy = -1.43x + 5.51 O y = 0.01x? +1.43x + 5.51 O y = 1.43x +5.51Data was collected for 300 fish from the North Atlantic. The length of the fish (in mm) is summarized in the GFDT below. Lengths (mm) Frequency 140 149 1 150 159 16 160 169 71 170 179 108 180 - 189 83 190 - 199 18 200 - 209 3 What is the upper class limit for the fifth class? upper class limit =The caloric content (in calories) and sodium content (in mg) were collected for 27 beef hotdogs. The data are in the table below. X, caloric content Y, sodium content 141 386 153 401 139 322 135 298 157 440 149 319 184 482 140 326 185 486 187 499 186 495 175 479 191 591 159 374 111 300 149 379 190 587 177 429 176 425 190 645 131 317 148 375 132 253 182 481 176 483 181 477 149 322
- The table presents the highway gasoline mileage performance and engine displacement for DaimlerChrysler vehicles for model year 2005 (U.S. Environmental protection Agency). Engine Displacement (in³) 215 MPG (highway) 201 196 226 226 348 226 348 148 226 122 215 215 148 500 348 165 148 148 500 148 30.8 32.5 35.4 28.1 24.4 24.1 28.5 24.2 32.8 28.0 41.3 30.0 28.2 34.1 18.7 20.3 35.1 37.9 33.8 25.9 26.4 (a) Find a 95% confidence interval for the slope. Round your answers to three decimal places (e.g. 98.765). -0.056 < B₁ ≤ -0.024 (b) Find a 95% confidence interval for the intercept. Round your answers to two decimal places (e.g. 98.76). 34.96 < ßo ≤ 43.35 (c) Find a 95% confidence interval for the mean highway gasoline mileage when the engine displacement is x = 134 in³. Round I your answers to one decimal place (e.g. 98.7). ! MY|x=134 i (d) Construct a 95% prediction interval on highway gasoline mileage when the engine displacement is x = 134 in³. Round your answers to one decimal place…Data was collected for 300 fish from the North Atlantic. The length of the fish (in mm) is summarized in the GFDT below. Lengths (mm) Frequency 160 - 164 1 165 - 169 16 170 - 174 71 175 - 179 108 180 - 184 83 185 - 189 18 190 - 194 3 What is the upper class limit for the fourth class?upper class limit =The table provided below shows paired data for the heights of a certain country's presidents and their main opponents in the election campaign. Construct a scatterplot. Does there appear to be a correlation? Click the icon to view the data table for election heights. Construct a scatterplot. Choose the correct graph below. OA. В. C. D. 200- 200- 200- 200- 160+ 160 President's height 160+ 160 President's height 160+ 160 President's height 160- 160 President's height 200 200 200 200 Does there appear to be a correlation between the president's height and his opponent's height? A. Yes, there appears to be a correlation. As the president's height increases, his opponent's height increases. B. Yes, there appears to be a correlation. The candidate with the highest height usually wins. C. Yes, there appears to be a correlation. As the president's height increases, his opponent's height decreases. D. No, there does not appear to be a correlation because there is no general pattern to the data.…
- The caloric content (in calories) and sodium content (in mg) were collected for 27 beef hotdogs. The data are in the table below. X, caloric content Y, sodium content 157 440 149 322 187 499 149 379 190 587 175 479 185 486 190 645 148 375 150 326 182 481 135 298 132 253 176 483 158 370 191 591 186 495 159 374 177 429 152 330 111 300 149 319 176 425 184 482 139 322 140 326 131 317A 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 152 28 19 127 38 212 65 664 32 69 United States P/E Ratio 16 25 25 42 23 Find the value of the test statistic. W = 15.16 X 15 28 15 28 39 17 15 Is the difference between the P/E ratios for the two countries significant? Use the MWW test and α = 0.01 to support your conclusion. State the null and alternative hypotheses. Ho: The two populations of P/E ratios are identical. H₂: The two populations of P/E ratios are not identical. O Ho: Median for Japanese companies - Median for U.S. companies 20 H₂: Median for Japanese companies - Median for U.S. companies 0 O Ho: Median for Japanese companies - Median for U.S. companies > 0 H₂: Median for Japanese companies - Median for U.S. companies = 0 O Ho: The two populations of P/E ratios are not…Given below are the ages of motorcyclists at the time they were fatally injured in traffic accidents (based on data from the U.S. Department of Transportation). 18 38 23 14 18 34 16 42 28 24 40 20 23 34 37 21 32 25 17 28 33 25 23 19 51 18 29 Looking at the histogram for the data, on the horizontal axis what is the min and max value for the 5th bar? Given below are the ages of motorcyclists at the time they were fatally injured in traffic accidents (based on data from the U.S. Department of Transportation). 18 38 23 14 18 34 16 42 28 24 40 20 23 34 37 21 32 25 17 28 33 25 23 19 51 18 29 Looking at the histogram for the data, on the horizontal axis what is the min and max…