MATH 302 STATISTICS FINAL EXAM AMU
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Question 1 of 25
A scatterplot allows one to see:
B.what type of relationship there is between two variables
D.Neither (a) nor (b) is correct Reset Selection
Part 2 of 9 –
Question 2 of 25
In a recent study, the following data were obtained in response to the question, “Do you favor recycling in your neighborhood?”
D.1.27 Reset Selection
Question 6 of 25
A drug is reported to benefit 40% of the patients who take it. If 6 patients take the drug, what is the probability that 4 or more patients will benefit?
D.0.179 Reset Selection
Part 4 of 9 –
Question 7 of 25
The standard deviation of a probability distribution is a:
B.measure of central location
D.measure of variability of the distribution Reset Selection
Question 8 of 25
If the value of the standard normal random variable Z is positive, then the original score is where in relationship to the mean?
B.equal to the mean
D.to the left of the mean Reset Selection
Question 9 of 25
The average height of flowering cherry trees in a nursery is 11 feet. If the heights are normally distributed with a standard deviation of 1.6, find the probability that a randomly selected cherry tree in this nursery is less than 13 feet tall.
D.0.11 Reset Selection
Question 10 of 25
If Z is a standard normal random variable, then the value z for which P(-z < Z < z) equals 0.8764 is
D.0.3764 Reset Selection
Question 11 of 25
The theorem that states that the sampling distribution of the sample mean is approximately normal when the sample size n is reasonably large is known as the:
B.central limit theorem
D.central tendency theorem Reset...