Statistics Problems - 10

6/6/2019 Assignment Print View

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2. Award: 0.20 points    

The following hypotheses are given. H0: ρ ≤ 0 H1: ρ > 0 A random sample of 12 paired observations indicated a correlation of 0.32. 1. State the decision rule for 0.05 significance level. (Round your answer to 3 decimal places.)

Reject H0 if t >

2. Compute the value of the test statistic. (Round your answer to 2 decimal places.)

Value of the test statistic

3. Can we conclude that the correlation in the population is greater than zero? Use the 0.05 significance level.

H0. We conclude that the correlation in the population is greater than zero.

References

Worksheet Difficulty: 2 Intermediate Learning Objective: 13-02 Calculate a correlation coefficient to test and interpret the relationship between two variables.