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"Sources of Individual Shy-Bold Variations in Antipredator Behaviour of Male Iberian Rock Lizards," published online in Animal Behavior in 2005, considered a variety of traits and measurements for lizards noosed in the mountains of central Spain. "Many male lizards also have a conspicuous row of small but distinctive blue spots that runs along the side of the body on the outer margin of belly."1 The number of blue spots was measured for each of two sides for 34 lizards, and was found to have mean 6.5.
a. Assuming the lizards were a representative sample, what is our best guess for the mean number of side spots on all Iberian rock lizards?
b. If the 34 lizards had all been obtained from a particular pet shop instead of from their natural habitat, could we say that 6.5 is our best guess for mean number of side spots on all Iberian rock lizards?
Would you use the regression equation to predict? Consider the following values for NEA increase:
1 does correlation equal causation? does the strength of correlation depend on the direction of the relationship? what
For these data, construct a line graph that shows both net sales and expenditures for advertising/product promotion over time. Some would suggest that increases in advertis- ing should be accompanied by increases in sales. Does your line graph sup..
Covercraft manufactures covers to protect automobile interiors and finishes. Its Block-It 200 Series fabric has a limited two-year warranty.
although researchers do their best to reduce error within every study there will always be error. it is important to
Now you see the pattern. What is the probability that the first doubles occurs on the fourth toss? On the fifth toss?
While 290 out of 400 in Batavia preferred the same flavor. To test the hypothesis that there was no difference in preferences in the two towns, what is the alternate hypothesis?
Use a calculator or spreadsheet to find the sum of the matrices containing these data. This will yield the total costs of manufacturing establishments for air.
Amenities. A check of dorm rooms on a large college campus revealed that 38% had refrigerators, 52% had TVs, and 21% had both a TV and a refrigerator.
Question: Probability Concepts and Applications - Describe the rationale for utilizing probability concepts. Is there more than one type of probability
Summarize the data by giving the estimates of the two population proportions and a 95% confidence interval for their difference. Briefly summarize what the data show.
A dice is thrown thrice. What is the probability that the largest score that turns up is three times the smallest?
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