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Read the scenario to answer questions #5-7.
A researcher wanted to examine whether modality impacts ability to learn how to write letters of the alphabet. Children were randomly assigned to one of two groups: one group was taught to trace letters using pen and paper. The second group was taught by using their finger to trace letters on an iPad. After being taught one of these methods for two modules, the researcher then counted the number of correctly written letters of the alphabet for each child.
1) What is the Dependent Variable? What is its scale of measurement?
2) Is this a between-subjects or within-subjects design?
3) If the data violated many of the assumptions for a parametric test, what would be the most appropriate nonparametric statistical test? What would be the most appropriate graph?
MATH1550H: Assignment: Question: A word is selected at random from the following poem of Persian poet and mathematician Omar Khayyam (1048-1131), translated by English poet Edward Fitzgerald (1808-1883). Find the expected value of the length of th..
MATH1550H: Assignment: Question: what is the least number of applicants that should be interviewed so as to have at least 50% chance of finding one such secretary?
MATH1550H: Assignment: Question: Experience shows that X, the number of customers entering a post office during any period of time t, is a random variable the probability mass function of which is of the form
MATH1550H: Assignment:Questions: (Genetics) What is the probability that at most two of the offspring are aa?
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.
Caselet on McDonald’s vs. Burger King - Waiting time
Generate descriptive statistics. Create a stem-and-leaf plot of the data and box plot of the data.
Problems on Sampling Variability and Standard Error and Confidence Intervals
Estimate the population mean
Conduct a marketing experiment in which students are to taste one of two different brands of soft drink
Find out the probability
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