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Given the following information, use Table B.4, which is; values of the correlation coefficient needed for rejection of the null hypothesis. I'm certain you have access to said table. Use the table to determine whether the correlations are significant and how you would interpret the results.
The correlation between speed and strength for 20 women is .567. Test these results at the .01 level using a one-tailed test.
what is the post-test probability of disease being present in a patient with a positive test result for test A if a cutoff value of 4.0 mg/ml is chosen?
How does bell-shaped curve for sampling distribution of sample means for samples of size n =120 compare tobell-shaped curve for sampling distribution of sample means for samples of size n =95?
Distinct random variable
Determine the probability that their SAT scores will differ by more than 50 points?
Electronic baseball games manufactured by Tempco Electronics are shipped in lots of 25. Before shipping, a quality control inspector randomly selects a sample of 6 from each lot for testing. If sample contains any defective games, the entire lot i..
The mean salary of the nine employees of a small business is $52,000 per year. One employee, whose salary was $68,000, was red. Two new employees, who will each be paid a salary of $40,000, are hired. What is the new mean annual salary of the emp..
At a = 0.05, what is the test value?
Which is the probability that the median of the sample is between $17 and $20?
A company wants to know if minorities are more likely to be in certain job categories than others. Their data base codes employees 1 for clerical, 2 for custodial, and 3 for manager. A logistic equation was fit to the data with SPSS.
a. State the appropriate hypotheses for your significance test. b. Use the sample results to compute the test statistic and the p-value.
Below you are given a partial computer output based on a sample of 16 observations.
The following problem develop the concept of determining the probability distribution of random variable and its mean and variance.
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