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Eating fruits and vegetables and smoking. The Centers for Disease Control and Prevention (CDC) Behavior Risk Factor Surveillance System (BRFSS) collects data related to health conditions and risk behaviors.32 Data in the BRFSS are aggregated by state. Figure 4.29 is a plot of two of the BRFSS variables. Fruits and Vegetables is the percent of adults in the state who report eating at least five servings of fruits and vegetables per day. Smoking is the percent who smoke every day
(a) Describe the relationship between Fruits and Vegetables and Smoking. Explain why you might expect this type of association.
(b) Find the correlation between the two variables.
(c) For Utah, 22.8% eat at least five servings of fruits and vegetables per day and 6.8% smoke every day. Find Utah on the plot and describe its position relative to the other states.
(d) For California, the percents are 28.9% for Fruits and Vegetables and 8.9% for Smoking. Find California on the plot and describe its position relative to the other states.
(e) Pick your favorite state and write a short summary in which you estimate its position relative to states that you consider to be similar. Then use Table 4.3 to determine if your guess is supported by the data. Summarize your results.
The results were analyzed using a mixed design and blocking, and the reported results were as follows.14
Explain whether the symmetry definition of probability is appropriate with respect to the outcomes in the sample space.
To increase membership. Determine the probability of all three selected are CPAs? Illustrate the proper way to compute probabilty?
acute rotavirus diarrhea is the leading cause of death among children under the age of 5 killing an estimated 4.5
the distribution of weekly salaries at a large company is right skewed with a mean of 1000 and a standard deviation of
You are required to submit the FINAL copy of this assignment, but you may first submit an optional DRAFT. This will allow you to receive qualitative feedback that can inform your revision. You should always avoidfocusing solely on the grader's DRA..
More sales and profits. Consider again the relationship between the sales and profits of Fortune 500 companies that you analyzed in Exercise.
Therefore, both the type and the location must be ?xed.) A random sample of eight observations from each of four sources of the spot price of a barrel of oil during February 2007 is collected. Data, in U.S. dollars per barrel, are as follows.
Assuming normality of distribution of yield rates, if senior management has set a goal of 9% for yield, what is the lower capability index? In what proportion of the time will the goal be met?
a. Construct a simple tabulation in which the counts are according to the highest degree level offered. b. Construct a cross-tabulation describing the schools, using the highest degree level offered and whether the school is public or private as th..
The article "Nonbloated Burned Clay Aggregate Concrete" (J. of Materials, 1972: 555-563) reports the following data on 7-day flexural strength of nonbloated burned clay aggregate concrete samples (psi):
For a group of 10 men subjected to a stress situation, the mean number of heartbeats per minute was 126, and the standard deviation was 4. Find the 95% confidence interval of the true mean.
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