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Which is not a possible reason to choose the z distribution for a hypothesis test of a mean?
A. The value of s is known
B. The sample size n is very large
C. The population is normal
D. The value of s is very large
The sample proportion and the sample standard deviation are all unbiased estimators of the corresponding population parameters - variance of the standard normal distribution
which of the following is an example of a correlational study?a. what are the attitudes of the parents about the
Assume 41% of all American adults have some college education. American adult is randomly selected. Determine the probability that adult owns stock or has some college education?
What are the inequalites that define the region in the first quadrant. How about 2nd, 3rd and 4th quadrants?
A standard deviation of 12. If the data for both tests are normally distributed, on which test did the student score better relative to the other students in each class?
What is the equation for this regression model?
I need to make a perfect positive linear correlation scatter diagram. Could you please outline this procedure so that I can continue to make other scatter diagrams
The math SAT scores for all women are normally distributed with a mean of 496 and a standard deviation of 105.
In a random sample of 10 adults from a nearby county, the mean waste generated per person per day was 4.35 pounds and the standard deviation was 1.88 pounds.
What can you tell me about the direction, strength and significance of this association and What would you expect for somebody without any formal education whatsoever and what can you tell me about the nature of this relationship?
What is the probability that the majority of the selected parents put their children who are under the age of 6 in car seats?
What is the idea of "least squares"? What is the connection between "least squares" and linear regression?
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