Time remaining:
this goes with the question that deals with admission and probability

Statistics
Tutor: None Selected Time limit: 0 Hours

Compute the variance and the standard deviation of the number of admissions 9round your variance to nearest whole number and standard deviation to 1 decimal place

Variance

standard deviation 

Mar 10th, 2015

For each pair [x, P(x)] find

(x - mean)^2 and multiply by P(x).

Sum these to find the variance:

(532-711.92)^2 x 0.20 + (691-711.92)^2 x 0.55 + (902-711.92)^2 x 0.25

= 15748 (to nearest whole number)

Standard deviation is sqrt(variance)

= 125.5 (to one decimal place)


Mar 10th, 2015

Studypool's Notebank makes it easy to buy and sell old notes, study guides, reviews, etc.
Click to visit
The Notebank
...
Mar 10th, 2015
...
Mar 10th, 2015
Dec 8th, 2016
check_circle
Mark as Final Answer
check_circle
Unmark as Final Answer
check_circle
Final Answer

Secure Information

Content will be erased after question is completed.

check_circle
Final Answer