The following data represent SAT Mathematics scores for 2010. SAT Math Score ....Number 200-299 ....... 36,305 300-399
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The following data represent SAT Mathematics scores for 2010.
SAT Math Score ....Number
200-299 ....... 36,305
300-399 ....... 193,968
400-499 ....... 459,010
500-599 ....... 467,855
600-699 ...... 286,518
700-800 .... 104,334
(a) Approximate the mean and standard deviation of the score.
(b) Draw a frequency histogram of the data to verify that the distribution is bell shaped.
(c) According to the Empirical Rule, 95% of these students will have SAT Mathematics scores between what two values?
DistributionThe word "distribution" has several meanings in the financial world, most of them pertaining to the payment of assets from a fund, account, or individual security to an investor or beneficiary. Retirement account distributions are among the most...
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a To find the mean we use the formula x i f i f i To find the standard deviation we choose to use th...View the full answer
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