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Verifying the condition for the events to be independent:
Contingency table Or Cross table or Pivot table:
Calorie Level
Fiber Type
High Calorie
Low Calorie
Totals
High Fiber
18
4
22
Medium Fiber
23
6
29
Low Fiber
12
21
33
53
31
84
Using the simple test of independence (described in the lecture), decide if the events high calorie and high fiber are independent or dependent. Show your work.
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The 95% prediction interval for a new patient with a 2-day cholesterol level of 220 is
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First explain what the Gini coefficient is and what hypothetical Gini values of 0 and 1 mean. Sort the data by the Gini coefficient in 2000 and look at the list of countries.
At.02 significance level is it sensible to conclude that mean number of shoes sold at mall stores is larger than at outlet stores?
If person is selected at random and tested, determine the probability of that person having an IQ score between 85 and 115. Make use of EXCEL to help determine the probability.
Determine the probability of exactly one success given Poisson distribution with mean of 2.0.
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