A Statistics class from a high school with 4,000 students took a survey of the first 35 students who walked through the front do
or of the school, and asked how far they traveled to school that day. The class plans to run a one-sample t-test to determine if the average travel distance has increased since last year. The students notice that the sample data are right skewed. Which conditions have been satisfied for the t-test? I. The sample is from a random sample or randomized experiment. II. The sampling distribution of sample means is approximately normal. III. The sample size is small relative to the population.
1 answer:
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