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When testing for the significance of the slope parameter, which of the following are implied by the alternative hypothesis? Two answers correct. All or nothing credit.
1. The average value of the dependent variable is zero.
2. The independent variable affects the dependent variable.
3. The dependent variable affects the independent variable.
4. The independent variable causes the dependent variable to change.
5. The dependent variable causes the independent variable to change.
6. The average value of the independent variable is significant.
given that a normal distribution withnbspmu103 andnbspsigma20 given that you select a sample of n25a. what is the
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Let us speek where the preceding data are representative of the entire sector of retail sales companiesSuppose the annual profits are more than 6.5 thousand $ every employee.
lies damned lies and statistics is a phrase describing the persuasive power of numbers particularly the use of
Summarize in words each of the following findings: The Tukey test was significant at .01 for two groups (A and E).
consider acid rain that was measured to have a ph of 2.5. how many times more acid is this acid rain than typical rain
1. classify the following variable as nominal ordinal discrete or continuous and state why it is such a variable
Suppose your instructor randomly surveyed his or her performance (i.e., students "graded" the teacher) over many years (assume an 'infinite' population). The frequency of ratings were as follows:
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At the .01 significance level can we conclude the mean age is more than 8.4 years for the cars of university students? State the null hypothesis and the alternate hypothesis.
if they expect to satisfy about 80 orders in the next financial quarter, what is the probability that they will break their previous export record?
construct a frequency distribution table and describe the shape of the distribution, what score identifies the center for the distribution and are the scores clustered or spread across the scale?
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