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Recorded set of data has maximum value 12. However, when the data was entered into the computer, this value was entered by mistake as 120.
Explain, how it will affect mean and median.
Nestling mass and nest humidity. Researchers investigated the relationship between nestling mass, measured in grams, and nest humidity index, measured as the ratio of total mass of water in the nest divided by nest dry mass, for two different grou..
To test this theory, a sample of 564 peas was studied with the result that 141 produced white, 291 produced pink, and 132 produced red flowers. Using the chi-square approximation, what conclusion would be drawn at the 5 percent level of signific..
We are interested in determining if the accident proportions differ between the two age groups:
What is the probability that a randomly selected time interval between eruptions is longer than 108 minutes?
Employees of a local company are classified according to gender and job type. The following table summarizes the number of people in each job category.
If a distribution of test scores is normal with a mean of 78 and a standard deviation of 11, what percent of the area lies below 60?
consider the following frequency distribution for a sample of 40 observationsclass frequency0-4
In a large population of US cell phone owners, the mean number of contacts is 112 with a standard deviation of 20. Suppose 200 cell phone owners are randomly selected for a market research campaign. What is the shape of the sampling distribution o..
Construct a 95% confidence interval for the difference in mean total serum cholesterol levels between participants receiving the new drug versus placebo.
Is there any evidence to suggest that the true proportion of contaminated cat food is different from the true proportion of contaminated dog food? Use a = 0.05.
decide whether the normal sampling distribution can be used claim p does not equal .28 a.01 sample stats 0.19
Why does quasi-experimentation sometimes require the use of "patched-up" designs?- Discuss the philosophy of critical multiplism as it applies to quasi-experimental research.
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