#title.central tendency., Basic Statistics

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when does the mode is said to be ill defined?

Fluid mechanics, Find the kinematic and dynamic viscosities of air at a tem...

Find the kinematic and dynamic viscosities of air at a temperature of 189°F and a pressure of 29 psia using Sutherland''s equation and the ideal gas law .

What is the net book value of a noncurrent asset, What is the net book valu...

What is the net book value of a noncurrent asset? The net publication value of a noncurrent resource is the net quantity revealed on the stability piece for a long-term resourc

Normal Random Variable, I need help with the following: Find the ...

I need help with the following: Find the following probabilities for the normal random variable Z: 1) P(Z>1.76) 2) P(Z 3) P(0.59=Z=2.41)

Reproduction rates, Reproduction rates: if the majority of births are thos...

Reproduction rates: if the majority of births are those of boys the population is bound to decrease while the reverse will be the case if the majority of births are girls. Similar

How to choose a sample, Q. How to Choose a Sample? The way a sample is ...

Q. How to Choose a Sample? The way a sample is chosen is extremely important in all statistical studies. This is because, ultimately, all the inferences will be based on the s

Autocorrelation, at what p-value do we reject the null hypothesis for the D...

at what p-value do we reject the null hypothesis for the Dublin-Watson test

Corlation, 1. Calculate Karl Pearson’s coefficient of correlation between e...

1. Calculate Karl Pearson’s coefficient of correlation between expenditure on advertising (X) and sales (Y) from the data given below: The management decided to stop further expens

TRENDS , Why do we particularly omit the middle year when using the semi-av...

Why do we particularly omit the middle year when using the semi-average method to fit a trend line

Margin of error, The poll interviewed 1500 persons rather than 1060, for 95...

The poll interviewed 1500 persons rather than 1060, for 95% confidence.