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The 60 students in a class at the University of Florida made blinded evaluations of pairs of cola drinks. For the 60 comparisons of Coke and Pepsi, Coke was preferred 35 times. Is this strong evidence that a majority prefers one of the drinks, or could this outcome be explained by chance?
A jury list contains the names of all individuals who may be called for jury duty. The proportion of the available jurors on the list who are women is 0.53. If 40 people are selected to serve as candidates to serve on the jury, Five of the 40 selected were women. Is there statistically significant evidence suggesting that it is differ in gender for jury selection, or could this outcome be explained by chance? ? Assume that significance level of 0.01.
Sometimes data is easy to collect, at other times it may not be as easy. Sometimes in the real world the number of things/people we want to collect data from or about are so huge and we have to make decisions on how this can be done in as reliable a ..
The mean age of 25 randomly selected college seniors was found to be 23.5 years, and the standard deviation of all college seniors was 1.3 years. Which of the following is the correct symbol for 1.3 years?
The litter size of Bengal tigers is typically two or three cubs, but it can vary between one and four. Based on long-term observations.
Determine the mean, median, range, and midrange.- Calculate the mean absolute deviation.- Calculate the standard deviation and variance.
What is the probability that a randomly selected bulb will last between 900 and 1200 hours? Round to four decimal places
(a) Construct an ogive for the reaction times given in Exercise 116. (b) Construct an ogive representing the cumulative percentage distribution.
suppose x is uniformly distributed on 410. let uaxb where a and b are constants. find values of a and b such that u is
the effectiveness of a new bug repellent is tested on 14 subjects for a 10 hour period. assume normally distributed
This problem involves calculating and interpreting the 95% confidence interval for a proportion. While you can use SPSS to determine proportions, you need to calculate the confidence interval by hand.
What is the Chi-square test? Where can you apply it? Please site an example of how it was used and the outcome of the test. I think this could help me better than the book, it is difficult to understand.
Determine the probability of exactly one success given Poisson distribution with mean of 2.0.
the management of red cat computers was considering launching a new product called the tiger 100. the problem was that
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