To find percentiles and quartiles, data must first be arranged in ascending order. (True or false?)

wickedwisp

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7 years ago

To find percentiles and quartiles, data must first be arranged in ascending order. (True or false?)

To find percentiles and quartiles, data must first be arranged in ascending order.

Indicate whether the statement is true or false

Q. 2

The covariance between two random variables is the correlation between the two variables divided by the product of their standard deviations.

Indicate whether the statement is true or false

Q. 3

Explain the difference between the terms variable and data. Include an illustration that demonstrates this difference.

What will be an ideal response?

Q. 4

The F distribution is constructed as the ratio of two Student's t random variables; each divided by its degrees of freedom.

Indicate whether the statement is true or false

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devgonz

wrote...

7 years ago

Ans. #1

TRUE

Ans. #2

FALSE

Ans. #3

Variable: a characteristic of interest about each individual element of a population or a sample
Data: refer to the value or values of the variable of interest
Illustration: The age of a person when he/she first attends a professional sporting event would be the characteristic of interest about each person and is a variable. Jim was 17 when he first attended a professional sporting event; 17 is the value of the variable for Jim and is data.

Ans. #4

FALSE

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wickedwisp Author

wrote...

7 years ago

Makes more sense now, TY

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