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Suppose a company owns three cars that get 20 miles per gallon, two cars that get 22 miles per gallon and one car that gets 24 miles per gallon. Would the mean miles per gallon be 22?
Given the following frequency distribution, find the mean, variance, and standard deviation. Please show all of your work so I can see how to do this for the future. This one is good example of what I can do in future for real estate.
Compute a seasonalized or adjusted sales forecast.
When the null hypothesis is rejected in the goodness-of-fit test, it means there is close agreement between the observed and expected frequencies.
Assume that the distribution of heights of adults American normally distributed, with mean 69 inches and standard deviation 2.8 inches.
In classical hypothesis testing, test statistic is to critical value what the?
Based on chi-square table, what is the most correct statement which can be made about the p-value for the test?
Does the normal distribution yield a good approximation of the actual results?
If random sample of thirty six customer transactions points out that sample mean withdrawal amount is $172, is there evidence to think that population mean withdrawal amount is no longer $160? Determine the mean of data above?
How many voters required to be sampled to evaluate the proportion within 0.05 with 95% confidence?
Let's further suppose that there was good interrater reliability on these frequency counts of behaviours and that they are interval/ratio level of measure, normally distributed, and independent observations.
Robinson & Associates performs employment screening for large companies in southern California. It usually follows two-step process. First potential applicants are given a test that covers basic knowledge and intelligence. If applicants score b..
What are the minimum and the maximum starting salaries of the middle 95% of the LU graduates?
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