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Perform a repeated-measures ANOVA on these data to determine whether this has an effect on employee stress self-reports. Does this policy have long-lasting effects? Higher stress scores are equal to higher stress levels. Make sure to test assumptions as well.
The likelihood of rejecting a null hypothesis with n=20 is relatively low/high because sample proportion decreases/test statistic increases
Suppose a friend of a friend claimed to have ESP and agreed to sit just on time and guess at 100 cards. Suppose she made 36 matches. Calculate the probability of this many, or more, matches if only chance is at work, and carefully write a conclusion.
phone calls arrive at the rate of 48 per hour at the reservation desk for regional airways.a. compute the probability
Suppose the boundary conditions are that u(x,y) vanishes on the lines x=0 ,x=3, y=0, and y=2. Derive the corresponding boundary conditions for f and g. Given k^2, show that only certain values of the separation constant lead to non-trivial solution..
The following data are the daily price quotations for a certain stock over a period of 45 days. Construct a stem-and-leaf display for these data. What can you conclude about the distribution of daily stock prices over the period under study?
The probability that a letter will be delivered within three working days is 0.9. You send out 10 letters on Tuesday to invite friends for dinner.
The winning team's score in 13 high school basketball games was recorded. If the sample mean is 54.3 points and the sample standard deviation is 11.0 points, find the 98% confidence interval of the true mean.
Twenty-three faculty members volunteered. Each faculty member gave the survey to all the students in one course of their choosing. Would this sampling method be considered a cluster sample? Why or why not?
a certain brand of candies have a mean weight of 0.8608g and a standard deviation of 0.052 bsed on a sample of a
There is a virus spreading across the population of a country. There are no obvious symptoms, so it is not possible to determine if someone is a carrier unless they are given a blood test. Medical officials want to study an individual who is carry..
Find the median, range, and standard deviation of the sample in the following is the number of minutes to commute from home to work for a sample of automobile executives.
A large middle school administrator wishes to use celebrity influence to encourage students to make healthier choices in the school cafeteria.
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