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Complete the problems below and submit your work in an Excel document. Be sure to show all of your work and clearly label all calculations. All statistical calculations will use the Employee Salary Data Set.1.Based on the sample data, can the average(mean) salary in the population be the same for each of the grade levels? (Assume equal variance, and use the Analysis Toolpak or the StatPlus:mac LE software function ANOVA.) Set up the input table/range to use as follows: Put all of the salary values for each grade under the appropriate grade label.Be sure to include the null and alternate hypothesis along with the statistical test and result. 2.The table and analysis below demonstrate a 2-way ANOVA with replication. Please interpret the results. 3.Using our sample results, can we say that the compa values in the population are equal by grade and/or gender, and are independent of each factor? 4.Pick any other variable you are interested in and do a simple 2-way ANOVA without replication. Why did you pick this variable and what do the results show? 5.Using the results for this week, What are your conclusions about gender equal pay for equal work at this point?
What percentage of the workers is paying between $1800 and $2400 per year toward the family health coverage premium? What is the probability that a worker pays more than $2500 towards the family health coverage premium?
The Allbest software company owns two computer-manufacturing plants. Each plant produces the Ultimate computer model. Plant measurement has determined that 28 out of 452 tested computers at Plant A were defective and that 21 out of 505 tested at p..
The Spanish patients, two men and two women, were elderly and very ill. All four had undergone routine dialysis at the Hospital de la Princesa. Soon after, they began sweating and vomiting, some of them in excruciating pain. They died within a few..
In a large western university, 15% of the students are graduate students. If a random sample of 20 students is selected, what is the probability that the sample contains:
Keith's florist has 18 delivery trucks used mainly to deliver flowers in the SC area. Of these 18 trucks, 5 have brake problems. A sample of 4 trucks is randomly selected. What is the probability that 2 of those defective have defective braked. Ro..
The following frequency distribution shows the time (in minutes) that a sample of students uses the computer terminals per day. Compute the coefficient of variation.
Assuming that a difference (Δ) of 2 lbs. in the mean was important to detect, a maximum Type I Error (α) level of 5%, and the desire to run a two-tailed test, then:
Calculate the 90% confidence interval about μ if sample size, n, is 55. How does increasing sample size affect margin of error, E?
According to the website of mars, 21% of m&m's produced are green. suppose 4 candies are selected at random and number of green recorded create a probability distribution for this situation.
If the population mean for how much alumni spend is $115.50 per week eating out socially, what is the mean and standard deviation for the sampling distribution of x?
If researchers want to take a new sample of size 55, what will be the standard deviation of the distribution of the sample mean?
A sample of 144 cans of coffee showed an average weight of 16 ounces. The standard deviation of the population is known to be 1.4 ounces.
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