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A person asks, "what do you think is the ideal number of children for a family to have?" The 497 females who responded had a median of 2, mean of 3.02, and a standard deviation of 1.81. How do I find the point estimate of the mean and the standard error of the sample mean?
Find the area under the normal distribution curve between z = 1.52 and z = 2.43.
Using the .02 level of significance, conduct a five-step hypothesis testing procedure to determine if the new processes significantly reduced the wait time.
Find a 95% confidence interval for the mean dielectric strength of the oil.
Such things as historical documents, newspaper reports, TV and radio broadcasts, when used in research, represents
What is the stock's value at it's highest on 15 days of the year? (Assume that there are 240 trading days in a year).
Use the traditional method to test the given hypothesis. Assume that the population is the normally distributed and that the sample has been randomly selected.
First part of this theorem allows a problem solver to compute probabilities about sample means regardless of whether a population is normally distributed.
Use regression analysis to develop an estimated regression equation that could be used to predict the value score given the price of the car.
Any value which is based on having measured a sample is called:
Calculate a standard error for the sample mean production rate for the new method and what is the standard error of the $1600 estimate?
Determine the conditions under which you would use a discrete probability distribution rather than a continuous probability distribution. Provide one (1) example to illustrate your reasoning.
For these 4 questions below what would be the independent and dependent variables, the level of measurement and whether or not the variable is discrete or continuous.
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