What is the variance of the data

Assignment Help Applied Statistics

Reference no: EM13653567

A data set contains N = 30 observations. The mean of the data is μ = 34.3. The sum of x-squares ∑x² = 37,401. What is the variance of the data?"

Reference no: EM13653567

Questions Cloud

Determine what frequency does he measure : A source emitting sound in air at frequency of 1000 Hz recedesfrom an observer with speed 1/5 speed of sound. If observer moves towards source at a speed of 1/10 speed ofsound, what frequency does he measure

Explain the ph when only naoh had been added : Fifty mL of a monoprotic weak acid was titrated with 0.0470 M NaOH. About 14.26 mL of NaOH was required to reach the equivalence point. At the equivalence point, the pH was 10.0. What was the pH when only 9.70 mL of NaOH had been added

How many additional records have to be gathered : How many additional records have to be gathered.

Dog is standing on the edge of astationary : A 13 kg dog is standing on the edge of astationary, frictionless turntable of rotational inertia 95kg·m2 and radius 2.05 m.The dog walks once around the turntable. What fraction of a fullcircle does the dog's motion make with respect to the ground?

What is the variance of the data : What is the variance of the data?"

Depict two ph curves one for the titration of a weak acid : Sketch two pH curves, one for the titration of a weak acid with a strong base and one for a strong acid with a strong base. How are they similiar? How are they different

Estimate how far will it slide up the plane : A 5.3 kg bundle starts up a 30°incline with 142 J of kinetic energy. How far will it slide up the plane if the coefficient of friction is0.30

Determine the cut off frequency of a low pass filter : What does a low pass filter do? How does it change/not change theinput signal? What is the difference between a low pass and high pass filter? Explain how to determine the cut off frequency of a low pass filter, based on what happens to theamplitu..

Calculate variance of a poisson random variable : Calculate variance of a poisson random variable?

User Account

All Pages