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My variables are: 1. SAT scores between 600- 2400, 2. Gender, 3. Type of college attended, 1 for public university, 2 for private university, 4. Type of degree held: 1 for bachelors, 2 for masters, 3 for PHD or doctorate, and 5. Income level. In order to discover if higher SAT score, had an effect on a person's future earnings. Are these good variables and what type of statistical methods would I use to evaluate the hypotheses? Would I use a multiple regression?
the smoking rate for the entire u.s. population of adults is 32 national institute on drug abuse. suppose that for a
The same probability of getting choosen. In how many different ways can the teams be chosen so taht the number of employees on each project are as follows: 5 1 10.
The branch manager of a pet supply store wants to study characteristics of customers of his store. In particular, he decides to focus on two variables
Simulate a completely random process of length 48 with independent, normal values. Plot the time series plot. Does it look "random"? Repeat this exercise several times with a new simulation each time.
for the data set below if you were to fit a regression equation what would the value of r2 be to two decimals? hint
A researcher is analyzing a dataset to determine whether the independent variables predict students' reading level.
The weights of the contents of cereal boxes are normally distributed, with a mean weight of 12 ounces and a standard deviation of 0.05 ounce. The weights of four cereal boxes selected at random are 12.01 ounces, 11.92 ounces, 12.12 ounces, and 11...
One component of the Drug Court program is frequent random drug testing for a variety of drugs – THC, Meth, Cocaine (crack or powder), Opiates (painkillers), Barbiturates, Benzodiazapines (Xanax), and Alcohol.
Thirty homes responded, and the sample mean water use per day was 77 gallons with a standard deviation of 9.0 gallons per day.
Problem: A large university campus has 60,000 students. The president of the students' association wants to conduct a survey of the students to determine their views on an increase in the student activity fee.
A cash flow diagram indicates the amounts paid or received by a stakeholder. For the operations and maintenance of a typical transit system in your community, list the amounts typically encountered in the cash flow stream over the life of the syst..
question 1 a long-term record for weather in a certain province shows that the annual precipitation has a mean of 39.67
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