To construct a confidence interval for each of the following quantities, say whether it would be better to use paired samples or independent samples.
a. The mean difference in weight loss between people on two different diets.
b. The mean difference in weight before and after eight weeks on a certain diet.
c. The mean difference in standardized test scores between the first and second attempt at the test.
d. The mean difference in test scores between students taught by different methods.
(a) Independent samples
(b) Paired samples
(c) Paired samples
(d) Independent samples
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What will be an ideal response?
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A) decreased B) increased C) remained about the same D) almost disappeared
The process that ensures genetic integrity and quality of seed is called _________________________
Fill in the blank(s) with correct word
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