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Quiz #4 in STAT 1300: Analyzing Mean and Proportion with Confidence Intervals, Quizzes of Statistics

The quiz #4 for stat 1300, a statistics course. The quiz covers three problems related to calculating means and confidence intervals for means and proportions. Problem 1 involves comparing the average reading test score of 6th graders in a district to the established norm. Problem 2 requires finding a 99% confidence interval for the mean weight of rats based on a sample. Problem 3 involves determining a 90% confidence interval for the proportion of high school seniors intending to attend an in-state college or university.

Typology: Quizzes

Pre 2010

Uploaded on 08/18/2009

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Download Quiz #4 in STAT 1300: Analyzing Mean and Proportion with Confidence Intervals and more Quizzes Statistics in PDF only on Docsity! STAT 1300 Quiz #4 T. DeWees Show ALL work for ALL problems. Name: 1. ( 8 points ) The established norm on a reading test 6th graders should average 73.2. If forty-five 6th graders sampled a particular district averaged 76.7 with a standard deviation of 8.6, is there reason to believe that the students from this school district score, on average, above the established norm? 1