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Dexter is 45 years old and 181 cm tall. For the last 8 years, his doctor has charted Dexter's mass and related it to his BMI (Body Mass Index). A BMI between 20 and 26 is considered healthy.
The data:
Mass(kg) 62 72 66 79 85 82 92 88
BMI 19 22 20 24 26 25 32 27
a) Sketch a complete scatter plot for the data.
b) Describe any trends in the data. Explain.
c) Draw a line of best fit on your graph.
The number of median crashes over a 6-month time period was recorded for each. Construct a two-way ANOVA table. Interpret the results. Use a = 0.05 for each hypothesis test.
When a researcher has two samples with two means, one of the assumptions for two samples is independence of between the two samples. What does this mean? What happens if the independence assumption is violated?
The following data are June 2003 to June 2004 commodity price index for a category of goods.
In January of 2007, the responses reflected an increased belief that global warming is real and due to human activity.- List the errors in this display.
Ernest has just been hired, and has an aptitude score of 80. What level of productivity would you expect from Ernest?
It is known that the variance of a population equals 484. A random sample of 81 observations is going to be taken from the population. With a .80 probability, what is the sampling error?
a national sample of 2728 adults aged 18 and older surveyed over the telephone using bother landlines and cell phones
What is the probability of selecting a family that has either a Visa card or an American Express card and if a family has a MasterCard, what is the probability that it has a Visa card?
motorola obtains cell phones from its contract manufacturer located in china to serve u.s. market. the u.s. is served
If the researcher is correct, what is the probability that the proportion of smokers in a sample of 512 males would differ from the population proportion
Many of the world's most successful companies rely on The NPD Group to provide global sales and marketing information that helps clients make more informed.
The following table shows two 10-year cash flow projections (in $ millions, including reversion) for the same property.
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