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Use the following results obtained from a simple linear regression analysis with 12 observations.
Y ^ = 37.2895 - (1.2024)Xr2 = 0.6744 sb = 0.2934
Test to determine if there is a significant negative relationship between the independent and dependent variable at a = .05 and .01
MATH1550H: Assignment:Questions: (Genetics) What is the probability that at most two of the offspring are aa?
Make an Excel line graph of the data on computer viruses. Discuss the underlying causes that might explain the trend or pattern.
At the end of the Halloween Festival the organizers estimated that a family of participants spent in average $50.00 with a standard deviation of $15.00. If 49 participants (49 = size of the sample) are selected randomly, what's the likeihood that ..
A sample proportion is calculated from a sample size of 394. How large of a sample would we need in order to decrease the standard error by a factor of 9?
Assume we have a population of scores with a mean of 975 and a standard deviation of 15. Assume that the distribution is normal. Provide answers to the following questions:
Construct a frequency distribution (class, tally and frequency) for the data set using the indicated number of classes. In the table, include the midpoint, relative frequencies and cumulative frequencies.
Find a 95% confidence interval for the mean µ of the population from which the men were selected.
The rest have no opinion. " Suppose that a a sample of 100 American adults is quizzed on the subject. What is the probability of the following events?
Suppose we wish to test the null hypothesis that there are no differences among the proportion of men and women who developed a rash. Evaluate the P-value of the chi-square test of this hypothesis.
Barbara Flynn is in charge of maintaining hospital supplies at General Hospital. During the past year, the mean lead time demand for bandage BX-5 was 60 (and was normally distributed).
Compute the minimum sample size required assuming that no prior information is avaiable?
What is the probability that both defective lights will be found within three trials?
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