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Use the following information to answer the question: Violence and lack of discipline have become major problems in schools in the US. A random sample of 300 adults was selected, and these adults were asked if they favor giving more freedom to schoolteachers to punish students for violence and lack of discipline. The two way classification of the responses of these adults is presented in the following table: In Favor (F) Against (A) No Opinion (N) Men (M) 93 70 12 Women (W) 87 32 6 (A) Based on the p-value and a = 0.01, the null hypothesis (Ho) is....(rejected, not rejected, or not enough information) (B) The value of the overall chi-square statistic is closest to 8.638 or 7.893 or 7.972 or 8.252 (C) Find p-value (D) degrees of freedom (E) The expected cell count for Women and Against
If the employees in this outlet has a mean of age as with variance between their ages as. Find the mean and the standard deviation of the age of employees of a fast-food in another outlet (Y).
1. develop numerical summaries of the data2. use regression analysis to develop an estimated regression equation that
Assume we have a population of scores with a mean of 975 and a standard deviation of 15. Assume that the distribution is normal. Provide answers to the following questions:
What can you conclude from these data? Did all the bacteria present in each saliva sample grow?
Suzie's Sweatshirts is a home-based company that makes upscale, hand painted sweatshirts for children. Forecasts of sales for the next year are Autumn: 125
Operators are to answer telephone calls from customers in an average time of 0.1 minute or less, and either respond to or refer to the proper department within 0.5 minute.
Calculate the appropriate disease frequency rate. Show your work. The cumulative incidence rate in a population of 100,000 people where 9 new cases of disease were reported within 1 year.
Which of the following assumptions is not made for the F-test for comparing three or more means?
Find the difference between the actual Y value and predicted Y value for each individual, square the differences, and add the squared values to obtain SS residual.
Fuji Importers' tubes are 4 percent defective, Kirkpatricks' 7 percent, and Parts, Inc. are 6.5 percent defective. (a) What is the overall percent defective?
Determine mean and standard deviation for number of erroneous returns per batch.
An article in Annals of Mathematical Statistics reports the following data on the number of borers in each of 120 groups of borers. Does the Poisson pmf provide a plausible model for the distribution of the number of borers in a group?
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