Question: Suppose a set of test scores is approximately bell shaped
Suppose a set of test scores is approximately bell- shaped, with a mean of 70 and a range of 50. Approximately, what would the minimum and maximum test scores be?
Answer to relevant QuestionsSuppose the scores on a recent exam in your statistics class were as follows: 78, 95, 60, 93, 55, 84, 76, 92, 62, 83, 80, 90, 64, 75, 79, 32, 75, 64, 98, 73, 88, 61, 82, 68, 79, 78, 80, 85. a. Create a stemplot for these ...Refer to Original Source 5 on the companion website, “Distractions in everyday driving.” Notice that on page 86 of the report, when the responses are summarized for the quantitative data in question 8, only the mean is ...Find a set of data that has meaning for you. Internet sites are good sources for data. For instance, find ads for something you would like to buy, sports scores, weather data, and so on. Using the methods given in this ...Recall that for Stanford-Binet IQ scores the mean is 100 and the standard deviation is 15. a. Use the Empirical Rule to specify the ranges into which 68%, 95%, and 99.7% of Stanford-Binet IQ scores fall. b. Draw a picture ...Refer to Example 8.1 on page 167, and the corresponding Figure 8.3 showing the distribution of heights for college women. The mean of the heights is 64.5 inches, and the standard deviation is 2.5 inches. a. Use the Empirical ...
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