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statistics
1. Suppose you administered an anxiety test to a large sample of people and obtained normally distributed scores with a mean of 45 and a standard deviation of 4. Do not use the web calculator to answer the following questions.
asked by Anonymous on February 6, 2016 
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You find out that the average 10th grade math score, for Section 6 of the local high school, is 87 for the 25 students in the class. The average test score for all 10th grade math students across the state is 85 for 1,800
asked by doris.ThompsonFofanah on July 9, 2020 
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A sample of n = 7 scores has a mean of M = 5. After one new score is added to the sample, the new mean is found to be M = 6. What is the value of the new score? (Hint: Compare the values for ƩX before and after the score was
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The average score of all golfers for a particular course has a mean of 73 and a standard deviation of 3. Suppose 36 golfers played the course today. Find the probability that the average score of the 36 golfers exceeded 74.
asked by Anonymous on November 8, 2011 
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A golf ball of mass 0.045 kg is hit off the tee at a speed of 48 m/s. The golf club was in contact with the ball for 5.4 103 s. (a) Find the magnitude of the impulse imparted to the golf ball. (b) Find the magnitude of the
asked by Anonymous on December 9, 2009

Math
Q1. A population has a mean of µ = 80 with σ = 20. a. If a single score is randomly selected from this population, how much distance, on average, should you find between the score and the population mean? 20 because the standard
asked by Jamie on May 27, 2014 
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The standard deviation of test scores on a certain achievement test Is 11.3. If a random sample of 81 students had a sample score of 74.6 , find a 90% confidence interval estimate for the average score of all students.
asked by Rami on August 20, 2014 
statistic
A final exam in Math 160 has a mean of 73 with standard deviation 7.73. Assume that a random sample of 24 students is selected and the test score of the sample is computed. Assuming the scores are normally distributed, what
asked by Anonymous on September 11, 2016 
Statistics
A study of 40 bowlers showed that their average score was 186. The standard deviation of the population is 6. Find the 95% confidence of the mean score for all bowlers.
asked by Greg on April 27, 2019 
math
Tournament scores for 92 golfers are distributed normally. Two statistics from this tournament are given below. Mean score: 74 Standard Deviation: 2.5 (Refer to the given golf tournament statistics.) What is the approximate
asked by tay on October 1, 2019 
statistics
The following dotplot shows the number of strokes taken by 20 professional golfers competing at an 18hole golf course. B? or E? I'm not sure if it would be considered categorical or continuous? It is definitely quantitive. The
asked by Anonymous on September 17, 2019
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