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Find the z-scores that separate

Find the average of all scores if there are:ten scores of 9 eight scores of 8 ten scores of 7 three scores of 6 Round to one
1. 2 answers
2. asked by JohnMark
3. 654 views
For a normal distribution with a mean of m = 80 and a standard deviation of s = 20, find the proportion of the population
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2. asked by Lyndon
3. 1,616 views
Find the indicated IQ scores The graph to the right depicts IQ scores of adults, and those scores are normally distributed with
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2. 26 views
Assume that a set of test scores is normally distributed with a mean of 100 and a standard deviation of 20. Use the 68-95-99.7
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2. asked by TAW
3. 897 views
Assume that a set of test scores is normally distributed with a mean of 100 and a standard devaiton of 20. Use the 68-95-99.7
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2. asked by terry
3. 1,473 views
Assume that a set of test scores is normally distributed with a mean of 100 and a standard deviation of 20. Use the 68-95-99.7
1. 2 answers
2. asked by Jane Brown
3. 2,069 views
Assume that a set of test scores is normally distributed with a mean of 100 and a standard deviation of 20. Use the 68-95-99.7
1. 1 answer
2. asked by cynthia
3. 834 views
Please Help! Check My Answer!!The following frequency distribution analyzes the scores on a math test. Find the class boundaries
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2. asked by Ember Lovet
3. 1,095 views
Find the z scores that separate the middle 59% of the distribution from the area in the tails of the standard normal
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2. asked by bee
3. 2,601 views
Find the z-scores that separate the middle 40% of the distribution from the area in the tails of the standard normal
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2. asked by yes
3. 1,129 views