Question: 4.5.14. Snedecor and Cochran (1967) presented data on the number of acres planted in corn for two sizes of farms. Size was measured in acres.

4.5.14. Snedecor and Cochran (1967) presented data on the number of acres planted in corn for two sizes of farms. Size was measured in acres. Some of the data are given in Table 4.13.

Are the data two independent samples or a paired comparison? Is the assumption of equal variances reasonable? Test for differences between the farms of different sizes. Clearly state your α level.

Give a 98% confidence interval for the mean difference between different farms.

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