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Does living in the South cause high blood pressure? Data from a group of 6278 whites and blacks questioned in the Third National Health and Nutritional Examination Survey between 1988 and 1994 (see CNN.com web site article of January 6, 2000, titled "High Blood Pressure Greater Risk in U.S. South, Study Says") indicates that a greater percentage of Southerners have high blood pressure than do people in any other region of the United States. This difference in rate of high blood pressure was found in every ethnic group, gender, and age category studied. List at least two possible reasons we cannot conclude that living in the South causes high blood pressure.
A California lawyer practices law, on the average, for 30 years. Assuming these members remain steady, how many lawyers would you expect California to have in 2050.
Is a body temperature of 99.00F unusual? Why or Why not? d)fifty adults are randomly selected. What is the likelihood that the mean of their body temperatures is 97.98F or lower?
Four different types of fertilizers are used on raspberry plants. The number of raspberries on each randomly selected plaint is given below.
The standard deviaiton is 2 pounds. If 15% of the suitcases are overweight, find the maximum weight allowed by the airline. Assume the variable is normally distributed.
A sample of 350 hats is selected and the sample mean is 3.25 pounds. Using a level of significance of .10, is there evidence that the population mean weight of the hats is greater than 3.5 pounds? Fully explain your answer.
List at least 3 qualitative attributes of the snack food about which they might want to ask consumers. Make sure at least one of them is nominal.
The proportion of participants registering strong disapproval was 65%. At the 95% confidence interval and using a two-sided test, which of the following statements do these data support?
a manufacturer has designed a process to produce pipes that are 10 feet long. the distribution of the pipe length
questionthe effect of exercise on the amount of lactic acid in the blood of sportsmen was examined in a study. eight
a newspaper article reported that the typical american family spent an average of 81 for halloween candy and costumes
Recognize the midpoint of the first class. Recognize the class boundaries of the first class.
1.a manufacturer of infant formula is running an experiment using the standard control formula and two new formulas a
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