Look again at Problem 10 in Chapter 7.The calculated value of ?was .83. Is ?sign

Look again at Problem 10 in Chapter 7.The calculated value of ?was .83. Is ?significantly different from zero according to a two-tailed test at the 5% significance level? Problem 10 in Chapter 7 (a) Consider the data for Problem 6 about the relationship between smoking and lung cancer. Translate these scores to ranks and compute ,the Spearman coefficient. (b) Pearson?? r for these data is .74. Does this agree with the ?you calculated? Explain.

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