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What is the formula is for a population with a mean of u=60 and a standard deviation of sigma=24. Find the z score corresponding to the sample m=63 for a sample of n =16 scores,.
The length of a particular telemarketing phone call, x, has an exponential distribution with mean equal to 1.5 minutes.
Determine the standard score for the value x=452 realative to its sample, where the sample mean is 500 and the standard deviation is 32.
Develop upper and lower control limits (99.7%) for the proportion of students with complaints.
Test the hypothesis that no difference exists between the groups at α = .05 and perform and report all related tests and statistics.
Which of the following methods could lead to stronger evidence for the outcome of a nonparametric test?
Based on chi-square table, what is the most correct statement which can be made about the p-value for the test?
A coin was flipped 60 times and came up heads 38 times. (a) At the .10 level of significance, is the coin biased toward heads? Show your decision rule and calculations. (b) Calculate a p-value and interpret it.
Test whether the gender distribution for basketball fans is significant different from general college by proportion test.
Suppose that distribution is normally distributed. If worker at this fast food restaurant is chosen at random,determine the probability that worker earns more than $6.75?
For each of following data sets, select the most suitable response from choices below the table. A strong negative linear relation exists.
Provided an example of a research problem at any organization that would benefit from the employ of either descriptive statistics or probability distribution statistics.
The American Sugar Producers Association wants to estimate the mean yearly sugar consumption. A sample of 16 people reveals the mean yearly consumption to be 60 pounds with a standard deviation of 20 pounds.
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