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A researcher randomly assigns 12 participants to one of three weight-loss conditions (A-diet, B-exercise, C-medication). The researcher obtains the following data:
The researcher wants to test the null hypothesis that weight loss is equal under all 3 conditions. Conduct a one-way analysis of variance.
What is the values of SStotal?
meadas company makes shocks. the currently guarantee their shocks for 50000 miles. the distance traveled before the
If this study involved a repeated measures design (within subjects) comparing conditions with the same number of participants, how many participants would be in each group?
a rehabilitation center researcher was interested in examining the relationship between physical fitness prior to
Find that the mean consumption of tea is 7.8 gallons per year with a standard deviation of 2.67 gallons.At α=0.07 can you support the society's claim?
Each contact will result in either no sale or a $50,000 sale, with the probabilities .9 and .1, respectively. Give the probability distribution for daily sales. Find the mean and standard deviation of the daily sales.
the forecast for the third quarter is 1000 units the seasonal index for the quarter is 1.10. what are the seasonally
in the game of keno if you make a 1 bet on a pair of numbers you have a 94 chance of losing and thus losing your one
If 15 subjects take a pre-test and a post-test with a mean change score of 1.5, and if the standard deviation of the comparison distribution is calculated to be .5, what is the t score?
They are thinking of introducing a new flavour, maple-marshmallow Frumpies, and want to know whether children will prefer the new flavour to the old one. Design a completely randomized experiment to investigate this question.
What conditions need to be satisfied for a system of linear inequalities to have its solution in the first quadrant? Create such a system.
a large corporation knows that the proportion of their employees that have children is 0.67. the director of human
You only worry if there is at least a 50 or more percent chance that you have the disease. Suppose that test has same specificity = p For what value of p will you start to worry?
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