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Problem: Python eggs. How is the hatching of water python eggs influenced by the temperature of the snake's nest? Researchers placed 104 newly laid eggs in a hot environment, 56 in a neutral environment, and 27 in a cold environment. Hot duplicates the warmth provided by the mother python. Neutral and cold are cooler, as when the mother is absent. The results: 75 of the hot eggs hatched, along with 38 of the neutral eggs and 16 of the cold eggs.16
Required:
(i) Make a two-way table of "environment temperature" against "hatched or not."
(ii) The researchers anticipated that eggs would hatch less well at cooler temperatures. Do the data support that anticipation?
consider the experiment of drawing two cards from a shuffled deck and then putting them back. what is the probability
A random sample obtained from a population has a mean of µ=100 and a standard deviation of σ = 20. 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 men and population mean ..
one year professional sports players salaries averaged 2 million with a standard deviation of 1 million. suppose a
You will perform the non-parametric version of the tests you used in Activity 4. In each case, assume that you opted to use the non-parametric equivalent rather than the parametric test. Using the data files from earlier activities, complete the foll..
Tthe sample standard deviation is 11 months. We will be using a z-test for the population mean at α = 0.05 to check the manufacturer's claim.
in a sample of 800 people 326 of them were found to have frequent headaches. what is the sample proportion of people
A flour manufacturer packs flour into paper bags, each of which is supposed to hold 10 pounds, or 160 ounces. Some customers have complained that the bags hold only 9.5 pounds, or 152 ounces.
dilbert decides he needs a new job. he begins working at a computer repair store fixing laptops desktop computers and
Is the GPA of this year's students significantly different from the long-run average? At what alpha level would it be significant?
The 1996 GSS asked, "If husband in family wants children, but wife makes decision that she doesn't want any children. If standard error is 0.01429, determine the 96 % confidence interval for population proportion who would say yes.
Construct the 90 percent confidence interval for the proportion of checking account customers who have a Visa card with the bank. (Round your answers to 3 decimal places.)
the following data were collected from a repeated measures study. there were 25 people in the study. fill in the blanks
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