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Of the 6,325 kindergarten students who participated in the study, almost half or 3,052 were eligible for a free lunch program. The categorical variable sesk (1 == free lunch, 2 = non-free lunch) is a coarse proxy measure of family socio-economic status. If we think that children who begin school at some socio- economic disadvantage are likely to score lower on the standardized test of reading and arithmetic skills, then we should examine the proportion eligible for free lunch by type of class in kindergarten. Is the proportion elegible for a free lunch in the regular class with full-time aide statistically different from the proportion we observe in the other two types of class? If you think that there is a statistical difference, what effect would you predict the difference will have on the observed effect of class isze on test scores? Will the difference in the proportions of students eligible for free lunch amplify or attenuate the difference from class sizes?
A psychologist is interested in learning about the voting behavior of college students. (4 points for each part.)Design a study which would yield data on this topic. a. state y
Translate the following formula into a prefix form expression in Scheme: Question 2 Define a procedure that takes three numbers as arguments and returns the sum of the squ
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Consider the operation of a line of supermarket checkouts and the profiles of customers and their shopping baskets. Use a random number generator to create the data for these profi
Part 1 Given the following Regular Expressions, explain in detail the pattern accepted by each. Pay attention to all the characters being used. Your answers need not appear with
Write a function called triple (in a file called 'triple.m'). That takes a single variable x and returns a single variable in which every element of x is multiplied by 3. Make sure
Please write a program declaring a variable x as the type int, and use the scanf function to input an integer to initialize the value of x. Then, your program will print the follow
Describe briefly how you might program a computer to exhibit fear or sorrow.
You are working in charge of a group of programmers at a software company. Your task is to assess and research CORBA and to produce a report to be given to the programmers detailin
The reader-writer problem can be stated as follows: A shared memory location can be concurrently read by any number of tasks, but when a task must write to the shared memory locati
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