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The table below shows the number of cars sold last month by 10 employees at Concord Motors and their number of years of sales experience.

The table below shows the number of cars sold last month by 10 employees at Concord Motors and their number of years of sales experience.

Experience Sales
1 8
2 6
2 7
4 14
5 9
6 13
8 10
3 7
4 12
5 11

1. Management would like to test if there exists a positive correlation between experience and sales. The p-value for Spearman rank-order correlation test is ___________.

2. Management would like to test if the population Spearman rank-order correlation coefficient is different from zero. The p-value for this test is ___________.

3. What is the conclusion?

a. There exists a positive rank correlation.

b. There exists no rank correlation at alpha=0.10.

c. There is not sufficient information to make conclusion

d. There exists a negative rank correlation.

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