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A geologist collects hand-specimen sized pieces of limestone from a particular area.
A qualitative assessment of both texture and color is made with the following results.
Is there evidence of association between color and texture for these limestones? Explain your answer.
Color
Texture
Light
Medium
Dark
Fine
Coarse
4
5
21
20
23
8
12
If the computed value of F is 5.01 and the critical value is 2.67, we would conclude that all the population means are equal. Unlike student’s t distribution, there is only one F distribution.
assume that the client will allocate 10000 to the eight recommended stocks in increments of 1000 with all allocations
Determine the p-value; and at 95% confidence, test the above hypotheses.
Over the last ten years, the average GPA has been 3.0. Is this year's class significantly different from the long-run average? At what alpha level would it be significant?
The error between the sample mean and the population mean for a sample of n = 16 is 5 points and the error between a sample mean and population mean for a sample of n = 100 is 2 points. Explain the difference in the standard error for the two samp..
The sample size n, the sample means, and the sample standard deviations for the two groups are given
estimating the percentage of youngsters between 16-0 driving
the strength of ones immune system can be evaluated in several ways. one of the most popular methods involves measuring
Kyle averages 7 finished accounts a day. His standard deviation is 2 account per day and we wish the probability that Kyle will finish day with more than 8 finished accounts. Probability will be?
a statistician selected a sample of 16 accounts receivable and determined the mean of the sample to be 5000 with a
Examine the relationship between final grade and the reported hours per week each student said they studied for the course. Do we have evidence that females are being discriminated against?
Tom works the night shift at a gas station on the edge of Champaign. One night he mixed 3 stale doughnuts in with 13 fresh doughnuts. That night 6 customers bought one doughnut each, selecting them at random. What is the probability that at least ..
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