Question

For the following set of 10 scores, compute the range, the standard deviation, and the variance. 5, 7, 3, 4, 5, 6, 7, 2, 5, 3.

Range:

Standard deviation (3 digits after decimal point):

Variance (1 digit after decimal point):

Answer #1

1. "The mean of a sample of 10 scores is 100, and the standard
deviation is 5. For the following raw scores, compute the z
score:
101
112
97 .
For the following z scores, work backward to compute the
corresponding raw score:
0.5
1.1
2.12
2. "If a student receives a z score of 0, how well did that
student do in comparison with other students in the group?"
3. "You are in charge of a project that is...

Using the same data set as in 1, find the variance, standard
deviation, and range, using the formulas. Using the same data set
as in 1, find the variance, standard deviation, and range, using
the formulas. Show the formulas and intermediate steps. Round your
answers to the correct number of decimal places
data set 9, 2, 8, 2, -9, 5, 6, 2, -5, -9, 9, 4, 5, 5, -3, -1,
0

Find the range, mean, variance and standard deviation for the
given set of data. Round your answers to the nearest tenth.
3, 4, 7, 11, 12, 12, 15, 16

Compute the Pearson correlation for the following set of scores.
(Round to 3 decimal places)
X
Y
2
5
6
2
7
8
5
6
3
6
7
1
r =

Calculate the range, population variance, and population
standard deviation for the following data set. If necessary, round
to one more decimal place than the largest number of decimal places
given in the data. 2,3,4,5,6,7,8,9,10,11

Calculate the range, population variance, and population
standard deviation for the following data set. If necessary, round
to one more decimal place than the largest number of decimal places
given in the data.
5,6,7,8,9,10,11,12,13,14

Calculate the range, population variance, and population
standard deviation for the following data set. If necessary, round
to one more decimal place than the largest number of decimal places
given in the data. 10,9,5,8,7,7,8,8,9,40

Calculate the range, population variance, and population
standard deviation for the following data set. If necessary, round
to one more decimal place than the largest number of decimal places
given in the data. 14,12,18,10,8,6,15,9,16,20.

Calculate the range, population variance, and population
standard deviation for the following data set. If necessary, round
to one more decimal place than the largest number of decimal places
given in the data. 8,13,6,18,7,15,15,18,6,5.

Calculate the range, population variance, and population
standard deviation for the following data set. If necessary, round
to one more decimal place than the largest number of decimal places
given in the data. 10,11,12,13,14,15,16,17,18,19

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