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A school counselor wants to determine a relationship between student's first scores and second scores on their ACT tests. Listed below are the students and their test scores from test 1 and test 2.
Student Score on Test 1 Score on Test 2
1 20 242 18 193 27 294 31 305 21 266 17 237 32 298 25 289 19 2110 25 23
1. Calculate a Person's r to determine the type and strength of the relationship between test scores.
A club has 225 members. If there is a 60% attendance rate per meeting, find the mean, variance, and standard deviation of the number of people who attend each meeting. Note that this is a binomial distribution.
an electrical distribution system consists of 3 subsystems in parallel with the following individual subsystem
a explain the difference between a type i and type ii error and why failing to reject a null hypothesis is not the
1. Philip throws a fair die until he obtains a four. Diane then tosses a coin as many times as Philip threw his die. Determine the expected value and variance of the number of
Compute the Relative Risk of coronary artery disease in patients receiving the new medication as compared to placebo and compute the cumulative incidence of stroke in persons over 75 years of age
Some critics of big business argue that CEOs are overpaid and that their compensation is not related to the performance of their companies. To test this theory, Chief Executive (Sept. 1999) collected data on executive's total pay and company..
2.What are degrees of freedom? How are they calculated? 3.What do inferential statistics allow you to infer? 4.What is the General Linear Model (GLM)? Why does it matter?
the mock data file consists of 3 columns each containing 1000 numbers1. a flag indicating which data row2. the sampled
Assume that in each cycle, the machine can produce either a good or a defective part according to the Bernoulli quality model.
What values can the correlation coefficient take on? What is our interpretation of these values?
in a region 80 of the population have brown eyes. if 13 people are randomly selected find the probability that at least
Suppose there are 26 events at a swimming and diving meet. What is the probability that the first false start will occur at this meet
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