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Discuss the main assumption for using a chi-square test. Find a research article that uses chi-square and explain why it was the right test and how the assumption plays into it.
response is 290 words plus a peer-reviewed article that used chi-square tests to support their work (attached).
A researcher investigating sex role stereotypes and occupational aspirations drew a random sample of 125 female university students.
A very bright student is described as having an IQ that is three standard deviations above the mean. If this student's IQ is reported as a z-score, the z-score would be the following.
A computer software developer would like to use the number of downloads (in thousands) for the trial version of his new shareware to predict the amount of revenue
A permutation resample for a two-sample test
An airline estimates that 90% of people booked on their flights actually show up. If the airline books 71 people on a flight for which the maximum number is 69, what is the probability that the number of people who show up will exceed the capacity..
Do 1-sample t-test to see if people in Chicago have travelled to fewer states than people nationwide. Utilize the 10% (.10) level of significance.
A 99% confidence interval estimate of the population mean can be interpreted to mean that we have 99% confidence that the true population mean will fall within the confidence interval estimate.
The random variable X has which of the following probability distributions and What is the probability that no student wins
If you buy a box of Wisk, the probability of getting a scoop is 97%. If you buy 9 boxes over the next several months, what is the probability of missing two scoops?
Express Courier Service has found that the delivery time for packages is normally distributed, with mean 13 hours and standard deviation 2 hours.
You create a 95% confidence interval for your average score and it is (76.347, 79.133). Given this information, what is the best conclusion?
There are 500 employees in a firm, 45% are female. A sample of 60 employees is selected randomly. (a) Determine the standard error of the proportion.
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