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This is used when a conservative approach is desired and an expected cell frequency is less than 5 in a 2X2 table.Fisher's exact testCramer's VYates' correctionRegression
Political polls typically sample randomly from the U.S population to investigate the percentage of voters who favor some candidate or issue. The number of people polled is usually on the order of 1000. Suppose that one such poll asks voters how they ..
measures of central tendency and dispersion with spssthe statistics for this week become the basis for several other
Calculate variance of a poisson random variable?
The value of our test statistic
The owner of a single-family home would like to develop a model to predict electricity consumption in his house, based on average atmospheric temperature in degrees Fahrenheit.
Suppose the distribution of the cost of all trips is normal with an average of 112 dollars and a standard deviation of 11 dollars. What is the value of the cost that falls of the 7th percentile?
A survey of 50 lobster fishermen on Funafuti (an island in Tuvalu), found that they catch an average of 32 pounds of lobster per day with a standard deviation of four pounds.a) If a fisherman is selected randomly, what is the probability that hi..
Identify the type of study proposed and indicate its specific strengths and weaknesses
Identify the independent and dependent variables.Name the levels in your identified factor.nomial scaleState the within-group degrees of freedom and explain how you calculate it.
A medical researcher wishes to estimate what proportion of babies born at a particular hospital are born by Caesarean section. In a random sample of 100 births at the hospital, 34% were Caesarean sections. Find the 95% confidence interval for ..
A survey showed that the probability that an employee gets placed in a job
Compute the expected time until the 100 th student arrives. What is the probability that the time between the arrival of the 200th and the 201st student exceeds 2 days?
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