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Determine what analysis would you do on each problem (ie, one-sample z-test, one-sample t-test, proportion test, two-sample independent t-test, or paired test)? Then state the null and alternative hypothesis for a problem.
Wendell Duffield, et al, believe the age of Grand Falls is younger than the accepted value of 150,000 years ago. The accepted value had a standard deviation of 10,000 years. (By the way, they published that there is evidence for their hypothesis and the age of Grand Falls is now believed to be 20,000 years ago).
Find the probability that the number of who consider themselves basketball fans is :
Describe the difference between sample and a sampling distribution. Your reply must be in complete sentences and you may use sketches to help you.
Given that Z is standard normal randam variable. Compute the value of Z if area between –Z and Z is 0.754:
What is the probability of a fatal accident over a lifetime?
Suppose that an IQ test was given to a large group of persons, the scores are assumed to be from a normally distributed population, that mean = 100 and s (standard deviation) = 15.
Conclude the finite population, correction factor.With the population size of 1,000 and a planned sample size of 200, what is the finite population, correction.
MATH1550H: Assignment: Questions: Let’s assume the department of Mathematics of Trent University has 11 faculty members. For i = 0; 1; 2; 3; find pi, the probability that i of them were born on Canada Day using the binomial distributions.
each person received was determined by randomization. For each person who was sent one of the surveys, the researcher recorded whether or not a completed survey was returned.
Recent studies have shown that the super-cooling temperature of terrestrial frogs frozen at -6°C has a relative frequency distribution with a mean of - 2°C and a standard deviation of 0.3°C (The first of these studies was reported in Science, May ..
You wish to find out if negative relationship exists between amount of bottled water someone drinks and their water bill. Create a prediction model, if suitable.
A researcher has a series of Likert-scale items and a measure of frequency of absenteeism. He uses each of the Likert-scaled items in a separate bivariate correlation with absenteeism without testing for the assumptions of linear relationships. Is th..
Conduct post hoc comparisons with the LSD method. Which groups differ significantly at α = 0.05?
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