Variance for sample
A sample of n=5 scores has SS=40. What is the variance for this sample? Can someone show me this worked out problem?
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A population of scores with u=27 and o=4 is standardized to create a new population with u=50 and o=10. What is the new value for each of the following scores from the original population?
It is viewed that a tangential force of around 1.5N is needed to ‘twist’ the mass via a 20 degree angle. From its position, the mass is released and let to rotate. i) Determine the period of the motion?
Determine the sum of the areas under standard normal curve to the left of z=-125 and to the right of z=1.25.
Create the 2x3 matrix A, not in echelon form, such that solution of Ax = 0 is a line in |R^3. Create the 2x3 matrix B, not in echelon form, such that solution of Ax = 0 is the plane in |R^3.
Compute the integral E ds for each of the three dashed paths; i) Path 1 (corresponds to R1)
When your fixture comprises of a 23 W compact fluorescent bulb at 120V, and your local power utility sells energy at 10 cents per kilowatt then determine how much will it cost to leave the bulb on for an entire month. Illustrate your work.
A set of exam scores are reported as Z values and Z-scores. On this exam score of X=72 corresponds to a z=score of z=+1.00 and score of X=52 corresponds to a z=score of z=-1.00. Determine the values for the mean and standard deviation for this exa
For a negatively skewed population with u=85 and o=18, what is the probability of obtaining a sample mean greater than 88?
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