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I need your opinion of this: Two craps tables collect an average of $500 per hour. One table has a standard deviation of $50 while the other has a standard deviation of $150. What conclusion can be drawn from the data? Normally, would one want a larger of smaller standard deviation? Please Discuss and show any work associated with this question. Thanks
A regression model between sales (Y in $1,000), unit price (X 1 in dollars) and television advertisement (X 2 in dollars) resulted in the following function: = 7 - 3X1 + 5X 2 For this model SSR = 3500, SSE = 1500, and the sample size is 18...
a. State the appropriate hypotheses for your significance test. b. Use the sample results to compute the test statistic and the p-value.
Carry out the suitable calculations to test for effect modification. Interpret your results.
Interpret a scatter diagram - Explain the relationship between the hours each student of a school spends in after school jobs each week and their grade average.
In a survey conducted to see how long Americans keep their cars, 2000 automobile owners were asked how long they plan to keep their present cars. The results of the survey follow. Find out the probability distribution associated with these data.
Would it be reasonable to conclude that the population mean is 63 pounds?
Assume gasoline prices for a region are normally distributed. do the data you obtain provide enough evidence to reject the claim? use 1% level of significance.
Enter relative proportions of the 3 samples in order (20,50,30) in "Expected values" area.
This result prompts a test administrator to claim that standard deviation for eighth graders on examination is less than 29.At a = 0.10, is there sufficient evidence to support administrator's claim?
Leggo's pesto is make from a recipe brought to America by an immigrant ancestor the present generation refers to as Bisnonna Maria.
Using this information, calculate Blpha risk (probability of Type II error) if the true population mean really is 81.
X is a normally distributed random variable with mean 10 and variance 24. a. Find P(X bigger 14) b. find P(8 smaller X smaller 20)
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