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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?
You have been given a report that presents two regression models with different numbers of independent variables. You do not have the data so you cannot re computed regression models. Nevertheless, you have been asked to find out which model is b..
What is the probability that a simple random sample of automobile insurance polocies will have a sample mean within 25.
Based on this information, by what factor does the risk of having an accident increase due to driving while intoxicated?
A sample of 36 packages reveals the mean weight to be 3.01 pounds, with a standard deviation of 0.03 poounds. What is the estimated population mean?
The boys with certificates of recognition. What time would the boys need to beat in order to earn a certificate of recognition from the fitness association?
The probability that a patient recovers from a disease is 63%. What is the probability that:
A consumer watchdog organization wants to see whether Bank N in the northern part of a state has a higher default rate than Bank S in the southern part of that same state.
From the given probability distribution finite the mean and standard deviation.
Find the probability that the number who considers themselves baseball fans is (a) exactly eight (b)at least eight and (c) less than eight. If possible use technology to find the probabilities.
Assume that you are conducting a survey of customer satisfaction regarding their cellular phone.
Clearly a straight line model does not accurately describe what is going on with this data. Does this mean there is no relationship between income and time?
According to a recent survey of 500 randomly selected residents of Popular City, it was found that 38% are in favor of raising city taxes in order to build a new stadium for the local baseball team. (a) What is the population of interest of the su..
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