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For the year that ended in January 2000, Wal-Mart had revenues of $165 billion. For the year ended in January 2012, it had revenues of $447 billion. What has been the average compound growth rate?
Construct the 95% confidence interval estimate of the mean number of migraine attacks for those treated with acupuncture.
1. suppose south korea can produce 100 computer chips with 10 hours of labor input and 50 bed linens with 6 hours of
1)What is the number of Observations in the sample? Write the least squares regression (prediction) equation. Test the usefulness of variable x2 in the model at alpha =.05. Calculate the t statistic and state your conclusions
Anxiety and Country
Suppose 10 teenagers are selected randomly to be interviewed about how they listen to music.
Researchable hypothesis for Accounts Receivable
A survey of 50 lobster fishermen on Funafuti (an island in Tuvalu), found that they catch an average of 32 pounds of lobster per day with a standard deviation of four pounds.a) If a fisherman is selected randomly, what is the probability that hi..
A second researcher doubts these findings, believing that the actual figure is higher. To attempt to resolve the question, a simple random sample of 60 preschool children is chosen, and their TV watching habits are measured by having their parents ke..
An important feature of digital cameras is battery life, the number of shots that can be taken before the battery needs to be recharged. The file digital cameras contains battery life information for 29 subcompact cameras and 16 compact cameras. (Dat..
Each of the following proportions is based on survey responses. For each proportion, use the ±2 rule of thumb to determine the 95 percent confidence interval. When asked if they are satisfied with their financial situation, .29 said "very satisfied" ..
What is the difference in proportions in the original data and what is the p-value and what does it mean in terms of this specific problem
Complete the ANOVA summary table.
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