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In 2000, the chairman of a California ballot initiative campaign to add "none of the above" to the list of ballot options in all candidate races was quite critical of a Field poll that showed his measure trailing by 10 percentage points. The poll was based on a random sample of 1000 registered voters in California. He is quoted by the Associated Press (January 30, 2000) as saying, "Field's sample in that poll equates to one out of 17,505 voters," and he added that this was so dishonest that Field should get out of the polling business! If you worked on the Field poll, how would you respond to this criticism?
If the rainfall was recorded on 27 (instead of 9) randomly selected days throughout the year, the standard error of the mean would be equal to?
a. Using 11 classes, construct a cumulative frequency distribution. b. Determine the proportion of CFO salaries that are at least $175,000. c. Determine the proportion of CFO salaries that are less than $205,000 and at least $135,000.
the waiting time for an incoming call at the front desk of a sales store has an exponential distribution. during
the combined weights of passengers and their luggage in kg are uniformly distributed on the interval a b. the weights
At 95% level of confidence, can we conclude that the babies using the Gibbs product gained less weight?
Describe the data scales best suited for presentation in a pie chart. How effective are the pie charts that often accompany a newspaper article in explaining the statistics used in the article?
I have fit a line to data representing cholesterol readings for 28 individuals starting a cholesterol reducing drug. The computer provides the following output, The degrees of freedom for the t test for the slope are
The mean top of knee height of a sitting mate is 20.7 in.
Developing a linear programming problem using Commuter Bus scheduling to minimize the total cost.
Determine the regression line. What do the coefficients tell you about the relationship between the two variables? Does it appear that the errors are normally distributed? Explain.
Determine the average number of parts waiting to be worked on, the percentage of time the operator is working, and the percentage of time the machine is idle.
Show that when n = 2, the multiplicative utility function is equivalent to the two- attribute multilinear utility function. (Hint: This is an algebra problem. You must show that one utility function is a scaled version of the other.
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