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A researcher needs to conduct a suitable nonparametric test to compare two dependent variables. Which of the following should be used?
A) t-test
B) Wilcoxon rank sum test
C) Wilcoxon signed rank test
D) Kruskal-wallis test
The president of Doerman Distributors, Inc., believes that 34% of the firm's orders come from first-time customers. A simple random sample of 120 orders will be used to estimate the proportion of first-time customers
Construct a confidence interval for the mean length of the carrots using Gro-Haut circumstances and what is the probability of a puck being shot at speeds in between 82 and 96 mph?
the following problem should be answered in rgenerate 50 normal distributions with mean 15 and standard deviation 3
Find the probability that a sample of 16 tires will have an average tire life of more than 52000 miles, give that the mean tire life is 50000miles and the standard Deviation is 8489.13.
2. we saw in class that a coin-flipping game that pays 2n if the first head appears on the nth that is a random
Maxwell Manufacturing makes two models of felt tip marking pens. There are 3 processing steps required for the pen production. Times (hours) are given in the table below.
Mean 52 and standard deviation 7; N(52, 7). According to the 68-95-99.7 rule, what percentage of jazz CDs play between 38 and 59 minutes?
A local bank reported to the federal government that its 5,246 saving accounts have a mean of $1,000 and standard deviation of $240.
a researcher has found that pilots taking an over the counter antihistamine have poor reaction times. they performed an
What is the estimate of the proporation of employees who do not use the ATM in a month? Develop a 95 percent confidence interval for the mean number of transactions per month.
question weight of navel orangessuppose that the weight of navel oranges is normally distributed with mean micro 8
If the sum of the squared deviations about the regression line is SSE = 40.0, what is the coefficient of determination?
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