3. A new reading program was being evaluated in the fourth grade at an elementary school. A random sample of 35 students was tested on a fixed-length reading passage in order to measure their reading...

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Extracted text: 3. A new reading program was being evaluated in the fourth grade at an elementary school. A random sample of 35 students was tested on a fixed-length reading passage in order to measure their reading speed. The average reading time of the sample of 35 students was 9.5 minutes with a standard deviation of 2.5 minutes. A. Estimate the mean reading speed for all fourth-grade students in this elementary school. Use a 95% confidence level. B. What is meant by 95% confidence in your interval of part A? Explain fully.