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1. In a set of students' test scores, the first quartile is 52. What percent of the students scored at or below 52?
2. On a set of scores from a standardized exam, the second quartile is 450. What is the median for the set of scores?
3. The third quartile for salaries at a company is $60,000. How many employees make more than $60,000?
4. Find the interquartile range for a data set for which Q1 = 21 and Q3 = 45.
5. Find the interquartile range for a data set for which Q1 = 124.5 and Q3 = 316.5.
iq data is thought to be normally distributed with a mean of 100 and a standard deviation of 15. the average iq score
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What is the probability that the average IQ, from a random sample of 64 individuals, is greater than 102?
Remember, a statistic is a function, a procedure used on sample data in order to estimate a population parameter. Thebatting average is the statistic and it is the following procedure: count the total number of times a player goes to bat and count..
what does it mean to say that your score on test one in statistics was in the 90th percentile?
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in the telephone survey technique introduced in exercise 6.5 what is the probability of two or fewer successful calls
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