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Six second-graders tried tossing a ball into a basket ten times each. Their teacher then suggested a different way of tossing the ball, and the six students tried again. The number of successful tosses, before and after the teacher's suggestion, are shown below.
Student A B C D E F
B4 suggestion ( out of 10) 3 5 7 3 5 7
After suggestion (out of 10) 4 5 5 4 5 5
Find the sum of the positive and negative rank sums as in a Wilcoxon signed-rank test.
It is impossible to get a negative value for an F -ratio.
Determine the margin of error in estimating the population mean. a sample of 68 college students yields a mean annual income of $3248.
Twenty single men were chosen at random and were asked if they would welcome a woman taking the initiative in asking for a date. What is the probability that seven (7) of the men say NO?
(a) Find the mean and the standard deviation of X
If the sample mean is 10.0 and the sample standard deviation is 0.15, find the 95% confidence interval estimate for the true mean.
there are 1000 students in the senior class at a certain high school. the high school offers two advanced placement
Does the sample show sufficient reason to conclude that the population standard deviation is not equal to 8 at the 0.05 level of significance?
please provide a 250-300 word explanation for the below discussion questions and please include apa style in-text
the manager of the local national video store sells videocassette recorders at discount prices. if the store does not
Suppose no calls are currently being processed (either on hold or in progress), what is the probability that the Helpdesk will receive the next call within the next 10 minutes?
What is the probability that 30% or fewer male employees will indicate that they have to pick up the slack for mom's working flextime ?
The average weight of adult men is 172 pounds with a standard deviation of 29 pounds. 30 men were asked their weight and the mean was calculated to be 181, test the hypothesis that the mean is not 172 pounds using alpha = .05.
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