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Part 1 You are interested in looking beyond a single group and attempt to determine the implication of a group performance on a population of interest. The group can be described both in terms of its makeup-such as males and females, new employees and old employees, and so forth-and the scores in a group that represent some aspect of performance by the members of the group. The terminology used for the above are terms such as independent and dependent variables. Remember that variables have to be clearly definable and measurable. As you respond to the assignment below, take care that you are suggesting choices that meet these criteria. Remember that variables have more than one values or levels. For example, the variable of SEX has both Male and Female. List an example of a scenario for each of the following sets of variables: One independent variable and one dependent variable and Two independent variables and one dependent variable
Part 2 When looking at the performance of two groups on a given task, one speaks of two kinds of variance (between-groups and within-groups). What does each represent? Be sure to discuss this answer in terms of variance and not research designs.
Part 3 If you looked at a measure of job performance resulting from 2 different manufacturing processes and found that the mean performance of process A was 82.5 and the mean performance of process B was 78.5, why can you not automatically assume that process A will consistently outperform process B? Use what you know about the two kinds of variance from the preceding part to explain your answer to this question.
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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