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Construct scatter plot in regression using SPSS.
Find below the data. Use it to complete the following calculations in SPSS:
Fit a linear regression model for bp against sodium. Do you think this is a model with a good fit? Why?
Person
Sodium
bp
1.0
6.8
154.0
2.0
7.0
167.0
3.0
6.9
162.0
4.0
7.2
175.0
5.0
7.3
190.0
6.0
158.0
166.0
8.0
7.5
195.0
9.0
189.0
10.0
7.1
186.0
Find the t c for a 90% confidence level with a sample size of 18.
What is the null hypothesis? What is your decision if a = 0.01?
Select a random variable to represent the category. Produce a probability mass function for that variable, and use it to compute the mean, the median and the variance of the data in the data set. Show the probability mass function, both in tabular..
Within distribution of scores, measures of dispersion give an indication of?
If a student is randomly selected what is the possibility that the student is male and from out of state.
A student with a 3.5 to 4 grade point average who took standardized test is randomly selected. Determine the probability that students test score is less than 36.
Cores on two tests have a bivariate normal distribution; and that correlation of 2 scores is 0.8. Determine the probability that sum of the student's scores on 2 tests will be greater than 200?
Florida State University administers a mathematics placement test to students where they 1st enter the university.
A probability value of .25 means that an event will occur:
The board of directors of Saner Automatic Door Company consists of 12 members, 3 of whom are women.
Based on your answers to a through d, decide whether or not to reject the null hypothesis at the given significance level. Explain your conclusion in the context of the problem.
Construct a 90 percent confidence interval for the proportion of all kernels that would not pop.
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