Question: In Sample Variance, we have the formula, why is n 1 the denominator?

In Sample Variance, we have the formula, why is n 1 the denominator?

Step by Step Solution

There are 3 Steps involved in it

1 Expert Approved Answer
Step: 1 Unlock blur-text-image
Question Has Been Solved by an Expert!

Get step-by-step solutions from verified subject matter experts

Step: 2 Unlock
Step: 3 Unlock

Students Have Also Explored These Related Mathematics Questions!

Q:

Why Divide by n 1? Let a population consist of the values 2 min, 3 min, 8 min. (These are departure delay times taken from American Airlines flights from New Yorks JFK airport to Los Angeles. See...

Q:

9. Samples and their potential for bias An industrial/organizational psychologist is consulting with Family Practice Pediatrics, which has just lost several of its best doctors to a rival pediatric...

Q:

Are the following statements true or false? (a) If u N(????, ????) (n 1) where ???? is nonsingular then u????1u ????2(n). (b) If a sample x1, xn is identically and independently distributed asN(0,...

Q:

Let X1, X2,..., Xn be a random sample from normal distributed population with mean and variance 2. Let s2 be the sample variance. Prove that (n1)s2 2 has 2 distribution with n 1 degrees of freedom.

Q:

True or false: The sample variance is unbiased when dividing SS by (n 1).

Q:

2.18 All measures of variation are nonnegative in value for all sets of data. a. What does it mean for a value to be "nonnegative"? b. Describe the conditions necessary for a measure of variation to...

Q:

Another sampling distribution Use the Normal population at the top. Every statistic has its own sampling distribution. Lets examine the sampling distribution of the sample variance. Choose N = 5 and...

Q:

The formula for the standard deviation of a sample is: s equals square root of fraction numerator 1 over denominator n minus 1 end fraction sum from i equals 1 to n of left parenthesis X subscript i...

Q:

1) A local real estate brokerage Listed the following asking prices for a sample of homes in Redding, CA (1000s of S}. 191, 244, 314, 254, 302, 1270, 337, 279, 322, 298 Give all your answers below in...

Q:

can you help me to figure out that using Monte Carlo simulation in R studio to prove that for a sample of n random observations drawn from a normal distribution (mean is 0 and standard deviation is...

Q:

M Studios sells a camera listed at $400, less 25%. Todd's Factory sells the same camera for $325. What rate of markdown would Todd's have to offer to match the reduced price at M Studios? 8.5% 7.5%...

Q:

Write a paper on topic: The European Union and how it works

Q:

A company is expected to pay a dividend of $1.80 next year, which is expected to grow at a rate of 7% per year indefinitely. The required rate of return on the company's stock is 11%.What is the...

Q:

A company is preparing completing their Cash Budget. The following data has been prepared for cash receipts and payments. January February March Cash receipts $1,061,200 $1,182,400 $1,091,700 Cash...