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Foreign trade is important to the United States. No country exports and imports more. However, there has been a large trade imbalance in many sectors. To measure the extent of the prob- lem, an economist recorded the difference between exports and imports of merchandise (excluding mil- itary) for the years 1980 to 2012.a. Plot the trade balance.b. Apply regression analysis to measure the trend.
Use these data to test the null hypothesis of no difference in the use of sick days between younger and older adults - What do your results indicate
What is the calculated value of the test statistic to test for the difference of proportions of nonconforming bag weights, between the two filling lines?
From the e-Activity, summarize the blog entry that you have read. Next, explain the manner in which Nate Silver's analysis in your chosen blog entry addresses the salient points of one particular topic related to this class.
Age Category Insurance Health Insurance
The number of loads of laundry washed per month was tracked for women and men living in college dorms.
Two-sample T for side_sideAge_Group N Mean StDev SE Meanelderly 9 22.2 10.3 3.4young 8 15.13 3.91 1.4Difference = mu (elderly) - mu (young)Estimate for difference: 7.1095% CI for difference: (-1.13, 15.32)T-Test of difference = 0 (vs not =): T..
Find the area under the normal distribution curve between z = -0.05 and z = 2.85.
Find the probability of drawing a diamond card in each of the consecutive draws from a wellshuffled pack of cards, if the card drawn is not replaced after the first draw.
What criticisms of Platonic Forms are given by Aristotle and Wittgenstein?
The distribution of scores was approximately bell
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
1. Hydrology is the scientific study of the movement, distribution, and quality of water. Hydrologists have shown that the distribution of long duration (e.g. monthly or yearly totals) of such things as river discharge or rainfall is often app..
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