## #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.  