Question

How to find the variance, explain the formula

Expert Answer

Want to see the step-by-step answer?

Check out a sample Q&A here.

Want to see this answer and more?

Experts are waiting 24/7 to provide step-by-step solutions in as fast as 30 minutes!*

*Response times vary by subject and question complexity. Median response time is 34 minutes and may be longer for new subjects.
Tagged in

Related Statistics Q&A

Find answers to questions asked by students like you.

Q: (a) In the random number table, assign the digits 0 through 8 to the event "successful surgery" and ...

A: Total number of digits assigned to event "successful surgery" (0-8) = 9Total number of digits assign...

Q: Do larger universities tend to have more property crime? University crime statistics are affected by...

A: Part (a):The scatter diagram, along with the best fitted line (least-squares regression line) for th...

Q: Use one of the following key terms to answer each of the following questions. KEY TERM BANK (separa...

A: Solution:Definition of Univariate data:When the data contains only one variable, it is called univar...

Q: An executive believes that a new energy drink his company developed will increase an individual's st...

A: Paired t-test statistic results:For testing whether the new energy drink increase an individual’s st...

Q: A. A population has a mean of 6.9 and standard deviation of 2.6. Find the value that has 80% of the ...

A: Given Population mean = 6.9Standard deviation = 2.6The Z score with the area left to it close to 0.8...

Q: 13.) Seventy three percent of drivers carry jumper cables in their vehicles. For a random sample of ...

A: The probability that a driver carry jumper cables in the vehicle (p) is 0.73.Sample size (n) = 315Le...

Q: Number 1 Please, Explain shortcut with TI84 if applicable

A: a. Computation of test statistic value:Sample size is greater than 30 and the population standard de...

Q: The body temperatures of a group of healthy adults have a bell-shaped distribution with a mean of 98...

A: According to the empirical rule, in the standard normal curve, approximately 68% of the area is with...

Q: A national newspaper reported that the state with the longest mean life span is Hawaii, where the po...

A: Part (A):Sample mean:Denote the life span (years) of a randomly selected individual by X.In order to...