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Ricardo scored 83 in the class with the mean 78.8 and the standard deviation 5.1, but Lloyd scored 57 in the class with the mean
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2. asked by penn
3. 99 views
if a test has a mean of 150 and a standard deviation of 30, we know that:a)50% of the respondents scored between 180 and 210
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2. asked by carly
3. 474 views
A standard math test was given to 6000 students. The scores were normally distributed with a mean of 420 and a standard
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2. asked by Jacqueline
3. 1,512 views
On a chemistry exam, Student A scored a 81 and Student B scored a 70. The mean for the class was 75 and the standard deviation
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2. asked by robyn
3. 813 views
if someone scored two standard deviations above the mean on a standard test where the mean =100 and the standard deviation = 15,
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2. asked by benjamin
3. 2,154 views
stat theory says approximately 68% of measurements lie between +- one standard deviation. assume we have 100 students in our
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2. asked by math standard deviation
3. 501 views
if there are 145 test questions, and the mean of the test scores for a class is 100 with a standard devation of 15, what
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2. asked by Anonymous
3. 612 views
in a golf match Jesse scored 5 over par ,Neil scored 3 under par Felipe scored 2 over par and Dawson scored an even par. Order
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2. asked by Cameron
3. 1,621 views
Andy took a physics test and scored a 35. The class average was 26 and the standard deviation was 5. Trevor took a chemistry
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2. asked by cherry
3. 640 views
A class test resulted in a mean score of 60% and a standard deviation of 15%. You scored 75%. Assuming the scores follow a
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2. asked by rebecca
3. 810 views