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A river is rising at a rate of 3 inches per hour. If the river rises more than 2 feet,it will exeecd flood stage. How long can the river rise at this rate without exceeding flood stage?
Using the raw measurement data presented below, calculate the t value for independent groups to determine whether or not there exists a statistically significant difference between the salaries of female and male human resource managers.
Based on these results, is there significant difference between attitudes for males and for females? Use two tailed test with alpha = .05.
In a recent national survey, the mean weekly allowance for a nine-year-old child from his/her parents was reported to be $3.65. A random sample of 45 nine-year-olds in northwestern Ohio revealed the mean allowance to be $3.69 with a standard devia..
Find the probability value of H0:u 2.8 distribution with 10 banks giving stats of 5.7, 4.8, 6.0, 4.9, 4.0, 3.4, 6.5, 7.1, 5.3, 6.1 which gives us H1:u 5.38.
question 1a explain the methodology associated with a sample based survey scheme for the estimation of catch data for
If the average price of a new home is 145,000 what is the minimum and maximum prices of the houses a contractor will need to build to include the middle 80% of the market.
At significance levels of .05 and .01 test H 0 : the factors A and B are independent.
A gardner plants 12 flowers. It is perdicted that on an average, 15% of the flowers planted will die during the first winter. Using the information above, please answer the following questions:
The weekly salaries one year after graduation are normally distributed with a standard deviation of $85. If one graduate is randomly selected. Describe the distribution of the weekly salaries being earned one year after graduation.
Identify the point estimate of the average number of available hotel rooms in this lesson from each sample. Construct and Interpret a 95% confidence level for the true mean number of available hotel rooms.
Compute the mean of the sampling distribution? Compute the standard deviation of sampling distribution?
Explain how you can use both T tests in your profession? Restate the research question into a null hypothesis: Does a memory-enhancing drug have an effect on the ability of a group of Alzheimer's patients.
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