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Suppose that in a regression analysis, the explanatory variable represents temperature, and the explanatory variable represents whether or not an individual is a male or female. Which statement is the most accurate given this information?
a. The variable should be represented as a dummy variable.b. And . should be written as an interaction term in the regression.c. There is no relationship between the variables and .d. The variable should berepresented as a dummy variable.e. Both and . should be represented by a dummy variable in the regression.
The cheetahs' coach believes that the Rockets' times are normally distributed as well. Construct a 95% confidence interval the Coach to compare the two teams' sprint units.
Draw diagrams of the environment in effect when evaluating the expression in the procedure in the text, comparing how this will be structured when definitions are interpreted sequentially with how it will be structured if definitions are scanned o..
There are 40 multiple choice questions in a history test. For each question, there are 5 alterna- tives of which only one alternative is the correct answer.
To determine whether the mean nicotine content of a brand of cigarettes is greater than the advertised value of 1.4 milligrams, a health advocacy group tests.
please identify the two variables and then state which is independent and which is the dependent variables in the
Suppose that the critical region for a certain test of hypothesis is of the form T greater than or equal to 2.5 and the computed value of T from the data is -2.75.
seventy percent of the bicycles sold by a certain store are mountain bikes. among 100 randomly selected bike purchases
q1. in a college 15th of the girs and 18 th of the boys took part in a camp. what fraction of the total no of students
What is the calculation if facebook reports that the average number of facebook friends worldwide is 175.5 with a standard deviation of 90.57 . If i was to take a sample of 25 students, what is the probability that the mean number of facebook frie..
Consider a level α = .10 test of H0 (8.1) versus the alternative τ > 0 based on K. How many bivariate observations (n) will we need to collect in order to have approximate power at least .95 against an alternative for which τ = .6?
a proportion of a college basketball teams season ticket holders renew their tickets for the next season. let p denote
The average salary for graduates entering the actuarial field is $40,000. If the salaries are normally distributed with a standard deviation of $5,000, find the probability that An individual graduate will have a salary over $45,000.
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