What is another word for a sample variance? a. the average distance from one mean to...

Question

Question

What is another word for a sample variance?

a. the average distance from one mean to another

b. a mean square

c. the standard deviation

d. a sum of squares

Answer 1

Answer #1

Answer 2

Similar Homework Help Questions

Population variance can be described as the standard distance from the mean the average squared distance...

Population variance can be described as the standard distance from the mean the average squared distance from the mean the square root of the average distance from the mean none of the above
How do you find standard deviation once you know variance? a. take the square root of...

How do you find standard deviation once you know variance? a. take the square root of variance b. square variance c. they are the same d.Variance minus 1 equals standard deviation This is the equation for population variance ______ a. Sum of Squares divided by N SS/N b. Sum of Squares divided by N plus one SS/N+1 c. Sum of Squares divided by N minus one SS/N-1 d. It is the same for sample variance You would use this equation...
and 2. The variance of a sample depends a. the mean of the sample; the sample...

and 2. The variance of a sample depends a. the mean of the sample; the sample degrees of freedom b. the mean of the sample; the sum of squares for the sample c. the sum of squares for the sample; the sample degrees of freedom on 3. With an independent samples test, a researcher can draw conclusions about a. a comparison of two population means b. a comparison of two population variances c. the importance of sample size to the...

In one sample, the mean is 15 with variance 10. In another sample, the mean is...

In one sample, the mean is 15 with variance 10. In another sample, the mean is 15 with variance 2. Which of the following statements are true? (select all that apply)-- please tell me what is true The graph of sample one is centered at 10. Both samples are center at 15. The graph of sample 1 is flatter than the graph of sample 2. The graph of sample 2 is flatter than the graph of sample 1. The graph...
The root mean square velocity is... 1. the average distance a particle travels between collisions in...

The root mean square velocity is... 1. the average distance a particle travels between collisions in a gas sample. 2. the square root of the average of the squares of the particle velocities. 3. the sum of the velocities of the gas particles in a sample divided by the number of particles in the sample. 4. the maximum temperature possible at a certain temperature.
Let yı, y2,-. ., yn be a sample drawn from a normal population with unknown mean...

Let yı, y2,-. ., yn be a sample drawn from a normal population with unknown mean μ an model d unknown variance σ2. One way to estimate μ is to fit the linear (2.61) and use the least squares (LS), that is, to minimize the sum of squares, Σ (Vi-A)2. Another way is to use the least absolute value (L AV), that is, to minimize the sum of absolute value of the vertical distances, Σ bi-μ| (a) Show that the...

sample mean, sample s, variance, population s This data is from a sample. Calculate the mean,...

sample mean, sample s, variance, population s This data is from a sample. Calculate the mean, standard deviation, and variance. x 42.6 23.9 12.9 22.8 41.3 26.1 | 13.6 14.4 44.3 Please show the following answers to 2 decimal places. Sample Mean = 26.88 Sample Standard Deviation = Sample Variance = (Please use the standard deviation above for your calcul Ooops - now you discover that the data was actually from a population! So now you must population standard deviation....
A population has a variance of 196, we take a random sample of size 15 from...

A population has a variance of 196, we take a random sample of size 15 from this population. Let Xbar be the sample mean, and let xtot be the sample sum of our sample. These are random variables. a) What is the standard deviation of this population? b) What is the varlance af Xbar? (to three decimal places) c) What is the standard deviation of Xbar? (to three decimal places) d) What is the standard deviation of Xtot? (to three...
What statistic describes the distance from an observed value to the mean in units of standard...

What statistic describes the distance from an observed value to the mean in units of standard deviation, when working with a large sample that is normally distributed? a: Critical value of T b: F score c: Chi-square dz

13. Measures of variability match-up There are multiple ways to refer to or describe a variance...

13. Measures of variability match-up There are multiple ways to refer to or describe a variance or a standard deviation of either a population or a sample. Likewise, each measure has multiple appropriate equations or symbols. The first table consists of alternative ways of referring to each of these measures. The second table consists of equations or symbols for each of these measures. Alternative Description a. Average squared distance from M b. Square root of the average squared distance from...