SS = 120 and score or (n) is 30. how do I compute the standard deviation with no individual scores. Variance is 4.14

SS = 120 and score or (n) is 30. how do I compute the standard deviation with no individual scores. Variance is 4.14

The following data represents monthly gas bills for 20 customers in Townville, CA. $34.37,$54.25, $36.78, $51.45, $44.76, $43.24, $67.43, $90.15, $53.45, $100...

Consider a nationally recognized standardized college admissions test with scores that are normally distributed, centered at a mean of 21, and have a standard deviation of 4.5. Use the 68-95-99.7...

The heart rates for puppies are normally distributed, with a mean heart rate of 180 beats per minute (60-160 beats per minute for most adult dogs) with a standard deviation of 6 bpm (beats per minute)...

Suppose that the scores on particular FDMAT 108 unit exam at BYU-Idaho were approximately normally distributed with a mean of 77 and a standard deviation of 8. 1. About what percentage...

15. The National Football League (NFL) polls fans to develop a rating for each football game (NFL website, October 24, 2012). Each game is rated on a scale from 0 (forgettable) to 100 (memorable)...

Discuss deviation and dispersion

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