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An election poll reported that a candidate had an approval rating of 60% with a margin of error E of 5%. Construct a confidence interval for the proportion of adults who approve of the candidate.
The confidence interval for proportion of adults who approve of the candidate is ____
Round to two decimal places.
RESEARCHERS at a university conducted experiments with poplar trees. Listed below are weights (kg) of poplar trees given no treatment and poplar trees treated with fertilizer and irrigation.
Assume you are using ANOVA to study some phenomenon. There are three treatment levels and a total of 17 people in the study. Complete the following ANOVA table.
Determining the probability that the two choose the same number?
Use MegaStat's output for simple linear regression to determine the regression equation
FBI Report Do greater universities tend to have more property crime, would you speek that the correlation is low, moderate or high
Supposing that both tests measure the same kind of ability, who has the higher score? If grading were done on a curve, what would their respective percentages be?
Is the sample a part of the population or the population apart of the sample? Why would researchers just not use the entire population to be more accurate? Can you give an example of a sample from a given population?
Multiple comparison procedures are going to be done using the Bonferroni method with α = 0.10. The value of t** is 2.2426. The smallest minimum significant difference (MSD) for finding a difference between groups is computed as 17.68. The correct ..
We often hear you can lie with statistics. This is one way of saying statistics can be easily mis-communicated. Find one example of how statistics are mis-communicated and explain why there was a mis-communication and what you would do to correct ..
Below is a plot of the Olympic gold medal winning performance in the high jump (in inches) for the years 1900 to 1996.
Failure times for a randomly failing component are 3.3, 14.3, 27.1, 41.3, and 92.2 hours. Find the MTTF and standard deviation using: a) moment estimation. b) maximum likelihood estimation.
An economist found that a random sample of 42 high school teachers had an average annual salary of $56,490. A previous study showed that the population standard deviation is $4150. Find the 99% confidence interval for µ, the average annual salary ..
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