Mathematics

Mathematics, 21.10.2019 16:00, masteroftheuniverse3

Adistribution of scores has a mean of 20.2 with a standard deviation of 0.89. compare a score of 21.6 with a z score of 1.2?

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Mathematics, 06.10.2019 08:00, ameliaxbowen7

1. a normal distribution of scores has a standard deviation of 10. find the z-scores corresponding to each of the following values: a) a score that is 20 points above the mean. b) a score that is 10 points below the mean. c) a score that is 15 points above the mean d) a score that is 30 points below the mean. 2. the welcher adult intelligence test scale is composed of a number of subtests. on one subtest, the raw scores have a mean of 35 and a standard deviation of 6. assuming these raw scores form a normal distribution:

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Mathematics, 11.10.2019 19:10, louiecampos

Carrie and vicki are both enthusiastic players of a certain computer game. over the past year, carrie’s mean score when playing the game is 12,400 with a standard deviation of 1500. during the same period, vicki’s mean score is 14,200, with a standard deviation of 2000. they devise a fair contest: each one will play the game once, and they will compare z-scores. carrie gets a score of 14,000, and vicki gets a score of 16,000. calculate their z-scores and determine who won the contest.

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Mathematics, 19.10.2019 01:20, npaslayoy1bzj

Adistribution of scores is approximately normal with a mean of 78 and a standard deviation of 8.6. which of the following equations can be used to find the score x above which 33 percent of the scores fall? (a) 0.44=1.78 (b) 0.67= 78 (c) 0.33= -78 (d) 0.44=1.78 (e) 0.67-8.68

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Adistribution of scores has a mean of 20.2 with a standard deviation of 0.89. compare a score of 21....

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