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Does rudeness really matter in the workplace?
Studies have established that rudeness in the workplace can lead to retaliatory and counterproductive behavior. However, there has been little research on how rude behaviors influence a victim's task performance. Such a study was conducted and the results published in the Academy of Management Journal (October 2007). College students enrolled in a management course were randomly assigned to one of two experimental conditions: rudeness condition (45 students) and control group (53 students). Each student was asked to write down as many uses for a brick as possible in 5 minutes.
For those students in the rudeness condition, the facilitator displayed rudeness by berating the students in general for being irresponsible and unprofessional (due to a late-arriving confederate). No comments were made about the late-arriving confederate for students in the control group. The number of different uses for a brick was recorded for each of the 98 students and the data saved in the RUDE file, shown below. Conduct a statistical analysis (at α = .01) to determine if the true mean performance level for students in the rudeness condition is lower than the true mean performance level for students in the control group.
A slot machine in Reno costs $1 to play. If the jackpot is $1,000 and the expected value is $ - 0.50 find the probability of winning.
Bougainvilleas, mean growth rate was 2.23 inches/week and sample standard deviation was 0.77 inches/week. Determine a 90% confidence interval for mean growth rate of all Bougainvilleas.
sales 2363 2.1 advertising - 279 price - 136 unemplpyment r2 .76what would be the expected unit sales when
Let X and Y denote independent finite random variables described by the probability vectors px and py and range vectors sx and sy. Write aMatlab function n[pw,sw]=sumfinitepmf(px,sx,py,sy) such that finite random variable W = X + Y is described by..
Assuming the sigma of 200 was actually the standard deviation for the sample, recalculate the interval estimate. Discuss how this changed your result from that in part b.
The probability that the three horses finish first , second and third is ___.(Round to four decimal places asneeded.)
A gambler loses 10 times running at roulette. He decides to continue playing because he is due for a win, by the law of averages. A bystander advises him to quit, on the ground that his luck is cold. Who is right? Or are both of them wrong?
in rolling a die the probability of obtaining 2 3 or 4 in three statistically independent throws
A person now age 62 was sold insurance 1 year ago at the age of 61. Mortality is given by the table at the beginning of the chapter. Find the probability that this individual will die between the ages of 63 and 65.
How large a sample must he select if he wants to be 99% confident that the true average time is within 15 minutes of the sample average? Assume the standard deviation of all times is 30 minutes.
the utility company in a large metropolitan area finds that 70 of its customers pay a given monthly bill in full.a.
If the null hypothesis is rejected, can you state that the mean score of those with a rural background is different from the score of those with a large-city background?
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